2021 Boston Red Sox

Franchise seasons · 2020s seasons

Independent, unofficial historical lineup simulator. Games here are simulated exhibitions, not historical results.

Roster and season statistics

Only players appear here. Staff are excluded from lineup choices. — means the source has no usable value. A roster player may have no batting or pitching row if they did not appear in those tables.

Player	Position group	No.	Stat rows	AB	H	HR	AVG	IP	ERA	Rating
Matt Andriese	Pitchers	35	pitching	—	—	—	—	37.33	6.03	Average (46) — 465 of 556 pitchers in the available 2021 rosters An earned-run average of 6.03 over 37.33 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Matt Barnes	Pitchers	32	pitching	—	—	—	—	54.67	3.79	Average (51) — 235 of 556 pitchers in the available 2021 rosters An earned-run average of 3.79 over 54.67 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Eduard Bazardo	Pitchers	83	pitching	—	—	—	—	3.00	0.00	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Ryan Brasier	Pitchers	70	pitching	—	—	—	—	12.00	1.50	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Brandon Brennan	Pitchers	66	pitching	—	—	—	—	3.00	0.00	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Colten Brewer	Pitchers	48	pitching	—	—	—	—	1.00	36.00	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Austin Brice	Pitchers	31	pitching	—	—	—	—	13.67	6.59	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Kutter Crawford	Pitchers	79	pitching	—	—	—	—	2.00	22.50	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Austin Davis	Pitchers	65	pitching	—	—	—	—	16.67	4.86	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Nathan Eovaldi	Pitchers	17	pitching	—	—	—	—	182.33	3.75	Average (53) — 114 of 556 pitchers in the available 2021 rosters An earned-run average of 3.75 over 182.33 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Raynel Espinal	Pitchers	80	pitching	—	—	—	—	2.00	9.00	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Michael Feliz	Pitchers	48	pitching	—	—	—	—	5.33	3.38	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Stephen Gonsalves	Pitchers	78	pitching	—	—	—	—	4.33	4.15	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Darwinzon Hernández	Pitchers	63	pitching	—	—	—	—	40.00	3.38	Average (52) — 175 of 556 pitchers in the available 2021 rosters An earned-run average of 3.38 over 40.00 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Tanner Houck	Pitchers	89	pitching	—	—	—	—	69.00	3.52	Average (52) — 175 of 556 pitchers in the available 2021 rosters An earned-run average of 3.52 over 69.00 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Kaleb Ort	Pitchers	85	pitching	—	—	—	—	0.33	0.00	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Adam Ottavino	Pitchers	0	pitching	—	—	—	—	62.00	4.21	Average (50) — 281 of 556 pitchers in the available 2021 rosters An earned-run average of 4.21 over 62.00 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Brad Peacock	Pitchers	44	pitching	—	—	—	—	5.33	15.19	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Martín Pérez	Pitchers	54	pitching	—	—	—	—	114.00	4.74	Average (48) — 387 of 556 pitchers in the available 2021 rosters An earned-run average of 4.74 over 114.00 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Nick Pivetta	Pitchers	37	pitching	—	—	—	—	155.00	4.53	Average (49) — 339 of 556 pitchers in the available 2021 rosters An earned-run average of 4.53 over 155.00 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Garrett Richards	Pitchers	43	pitching	—	—	—	—	136.67	4.87	Average (48) — 387 of 556 pitchers in the available 2021 rosters An earned-run average of 4.87 over 136.67 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Yacksel Ríos	Pitchers	75	pitching	—	—	—	—	24.33	3.70	Average (51) — 235 of 556 pitchers in the available 2021 rosters An earned-run average of 3.70 over 24.33 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Hansel Robles	Pitchers	56	pitching	—	—	—	—	25.00	3.60	Average (51) — 235 of 556 pitchers in the available 2021 rosters An earned-run average of 3.60 over 25.00 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Eduardo Rodríguez	Pitchers	57	pitching	—	—	—	—	157.67	4.74	Average (48) — 387 of 556 pitchers in the available 2021 rosters An earned-run average of 4.74 over 157.67 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Chris Sale	Pitchers	41	pitching	—	—	—	—	42.67	3.16	Average (53) — 114 of 556 pitchers in the available 2021 rosters An earned-run average of 3.16 over 42.67 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Hirokazu Sawamura	Pitchers	19	pitching	—	—	—	—	53.00	3.06	Average (53) — 114 of 556 pitchers in the available 2021 rosters An earned-run average of 3.06 over 53.00 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
John Schreiber	Pitchers	46	pitching	—	—	—	—	3.00	3.00	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Connor Seabold	Pitchers	67	pitching	—	—	—	—	3.00	6.00	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Josh Taylor	Pitchers	38	pitching	—	—	—	—	47.67	3.40	Average (52) — 175 of 556 pitchers in the available 2021 rosters An earned-run average of 3.40 over 47.67 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Phillips Valdéz	Pitchers	71	pitching	—	—	—	—	40.00	5.85	Average (47) — 427 of 556 pitchers in the available 2021 rosters An earned-run average of 5.85 over 40.00 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Ryan Weber	Pitchers	65	pitching	—	—	—	—	5.67	17.47	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Garrett Whitlock	Pitchers	72	pitching	—	—	—	—	73.33	1.96	Average (58) — 8 of 556 pitchers in the available 2021 rosters An earned-run average of 1.96 over 73.33 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Brandon Workman	Pitchers	44	pitching	—	—	—	—	20.00	4.95	Average (49) — 339 of 556 pitchers in the available 2021 rosters An earned-run average of 4.95 over 20.00 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Kevin Plawecki	Catchers	25	both	157	45	3	.287	1.00	0.00	Average (55) — 97 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 157 at-bats and 3 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Christian Vázquez	Catchers	7	batting	458	118	6	.258	—	—	Average (52) — 186 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 458 at-bats and 6 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Connor Wong	Catchers	74	batting	13	4	0	.308	—	—	Not enough data The available at-bats and hits do not support a reliable comparison. You can still select this batter; the exhibition uses estimated performance.
Jonathan Araúz	Infielders	3	both	65	12	3	.185	1.00	9.00	Average (47) — 365 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 65 at-bats and 3 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Christian Arroyo	Infielders	39	both	164	43	6	.262	1.00	0.00	Average (53) — 156 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 164 at-bats and 6 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Xander Bogaerts	Infielders	2	batting	529	156	23	.295	—	—	Strong (61) — 24 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 529 at-bats and 23 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Michael Chavis	Infielders	23	batting	79	15	2	.190	—	—	Average (46) — 398 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 79 at-bats and 2 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Bobby Dalbec	Infielders	29	batting	417	100	25	.240	—	—	Average (53) — 156 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 417 at-bats and 25 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Rafael Devers	Infielders	11	batting	591	165	38	.279	—	—	Strong (60) — 31 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 591 at-bats and 38 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Marwin González	Infielders	12	both	242	49	2	.202	1.00	0.00	Below average (43) — 477 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 242 at-bats and 2 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
José Iglesias	Infielders	12	batting	59	21	1	.356	—	—	Average (57) — 58 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 59 at-bats and 1 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Jack López	Infielders	61	batting	13	2	0	.154	—	—	Not enough data The available at-bats and hits do not support a reliable comparison. You can still select this batter; the exhibition uses estimated performance.
Taylor Motter	Infielders	30	batting	6	2	0	.333	—	—	Not enough data The available at-bats and hits do not support a reliable comparison. You can still select this batter; the exhibition uses estimated performance.
Yairo Muñoz	Infielders	60	batting	11	1	0	.091	—	—	Not enough data The available at-bats and hits do not support a reliable comparison. You can still select this batter; the exhibition uses estimated performance.
Travis Shaw	Infielders	23	batting	42	10	3	.238	—	—	Not enough data The available at-bats and hits do not support a reliable comparison. You can still select this batter; the exhibition uses estimated performance.
Franchy Cordero	Outfielders	16	batting	127	24	1	.189	—	—	Below average (44) — 459 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 127 at-bats and 1 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Jarren Duran	Outfielders	40	batting	107	23	2	.215	—	—	Average (47) — 365 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 107 at-bats and 2 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Kiké Hernández	Outfielders	5	batting	508	127	20	.250	—	—	Average (53) — 156 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 508 at-bats and 20 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
J. D. Martinez	Outfielders	28	batting	570	163	28	.286	—	—	Strong (60) — 31 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 570 at-bats and 28 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Hunter Renfroe	Outfielders	10	batting	521	135	31	.259	—	—	Average (56) — 79 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 521 at-bats and 31 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Danny Santana	Outfielders	22	batting	116	21	5	.181	—	—	Average (45) — 440 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 116 at-bats and 5 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Kyle Schwarber	Outfielders	18	batting	134	39	7	.291	—	—	Average (57) — 58 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 134 at-bats and 7 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Alex Verdugo	Outfielders	99	batting	544	157	13	.289	—	—	Average (58) — 49 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 544 at-bats and 13 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.

Build a lineup

Exhibition rules use nine hitters, including a DH, and one pitcher. The numbered slots are the batting order. Pick each player once. Opponent: 2021 Arizona Diamondbacks. Players without a rating remain selectable with estimated performance.

Game to edit

1. C2. 1B3. 2B4. 3B5. SS6. LF7. CF8. RF9. DH

Pitcher Game seed

Keep the seed to replay the same game; change it to play a different exhibition.

Restore a lineup file

Simulated exhibition

Choose a lineup to play an exhibition.

Batting lines

Game log for the selected game

Roster and statistics adapted from Wikipedia contributors, 2021 Boston Red Sox season. Retrieved 2026-09-30T03:44:50.293184+00:00. Source material is under CC BY-SA 4.0. We grouped roster entries, excluded staff, joined stats by Wikipedia page title, converted baseball innings notation to outs, and derived approximate ratings and simulated outcomes. No official affiliation.