2021 Oakland Athletics

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
Domingo Acevedo	Pitchers	68	pitching	—	—	—	—	11.00	3.27	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.
Chris Bassitt	Pitchers	40	pitching	—	—	—	—	157.33	3.15	Average (55) — 46 of 556 pitchers in the available 2021 rosters An earned-run average of 3.15 over 157.33 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.
Cam Bedrosian	Pitchers	60	pitching	—	—	—	—	9.00	2.00	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.
Paul Blackburn	Pitchers	58	pitching	—	—	—	—	38.33	5.87	Average (47) — 427 of 556 pitchers in the available 2021 rosters An earned-run average of 5.87 over 38.33 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.
Andrew Chafin	Pitchers	39	pitching	—	—	—	—	29.33	1.53	Average (55) — 46 of 556 pitchers in the available 2021 rosters An earned-run average of 1.53 over 29.33 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.
Jake Diekman	Pitchers	35	pitching	—	—	—	—	60.67	3.86	Average (51) — 235 of 556 pitchers in the available 2021 rosters An earned-run average of 3.86 over 60.67 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.
Michael Feliz	Pitchers	53	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.
Mike Fiers	Pitchers	50	pitching	—	—	—	—	9.33	7.71	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.
Reymin Guduan	Pitchers	61	pitching	—	—	—	—	14.33	6.28	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.
Deolis Guerra	Pitchers	65	pitching	—	—	—	—	65.67	4.11	Average (51) — 235 of 556 pitchers in the available 2021 rosters An earned-run average of 4.11 over 65.67 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.
Cole Irvin	Pitchers	19	pitching	—	—	—	—	178.33	4.24	Average (50) — 281 of 556 pitchers in the available 2021 rosters An earned-run average of 4.24 over 178.33 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.
Daulton Jefferies	Pitchers	66	pitching	—	—	—	—	15.00	3.60	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.
James Kaprielian	Pitchers	32	pitching	—	—	—	—	119.33	4.07	Average (51) — 235 of 556 pitchers in the available 2021 rosters An earned-run average of 4.07 over 119.33 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.
Adam Kolarek	Pitchers	21	pitching	—	—	—	—	9.00	8.00	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.
Jesús Luzardo	Pitchers	44	pitching	—	—	—	—	38.00	6.87	Average (45) — 494 of 556 pitchers in the available 2021 rosters An earned-run average of 6.87 over 38.00 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.
Sean Manaea	Pitchers	55	pitching	—	—	—	—	179.33	3.91	Average (52) — 175 of 556 pitchers in the available 2021 rosters An earned-run average of 3.91 over 179.33 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.
Sam Moll	Pitchers	60	pitching	—	—	—	—	10.33	3.48	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.
Frankie Montas	Pitchers	47	pitching	—	—	—	—	187.00	3.37	Average (55) — 46 of 556 pitchers in the available 2021 rosters An earned-run average of 3.37 over 187.00 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.
Yusmeiro Petit	Pitchers	36	pitching	—	—	—	—	78.00	3.92	Average (51) — 235 of 556 pitchers in the available 2021 rosters An earned-run average of 3.92 over 78.00 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.
A. J. Puk	Pitchers	33	No stat row	—	—	—	—	—	—	No rating The source has no pitching stat row for this player. You can still select this pitcher; the exhibition uses estimated performance.
Sergio Romo	Pitchers	54	pitching	—	—	—	—	61.67	4.67	Average (49) — 339 of 556 pitchers in the available 2021 rosters An earned-run average of 4.67 over 61.67 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.
Burch Smith	Pitchers	46	pitching	—	—	—	—	43.33	5.40	Average (47) — 427 of 556 pitchers in the available 2021 rosters An earned-run average of 5.40 over 43.33 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.
Lou Trivino	Pitchers	62	pitching	—	—	—	—	73.67	3.18	Average (54) — 76 of 556 pitchers in the available 2021 rosters An earned-run average of 3.18 over 73.67 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.
Jordan Weems	Pitchers	70	pitching	—	—	—	—	4.33	6.23	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.
J. B. Wendelken	Pitchers	57	No stat row	—	—	—	—	—	—	No rating The source has no pitching stat row for this player. You can still select this pitcher; the exhibition uses estimated performance.
Austin Allen	Catchers	30	batting	8	2	1	.250	—	—	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.
Aramis Garcia	Catchers	37	batting	88	18	3	.205	—	—	Average (47) — 365 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 88 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.
Yan Gomes	Catchers	23	batting	131	29	5	.221	—	—	Average (49) — 306 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 131 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.
Sean Murphy	Catchers	12	batting	393	85	17	.216	—	—	Average (48) — 336 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 393 at-bats and 17 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.
Elvis Andrus	Infielders	17	batting	497	121	3	.243	—	—	Average (49) — 306 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 497 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.
Matt Chapman	Infielders	26	batting	529	111	27	.210	—	—	Average (47) — 365 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 27 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.
Josh Harrison	Infielders	1	batting	185	47	2	.254	—	—	Average (51) — 229 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 185 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.
Tony Kemp	Infielders	5	batting	330	92	8	.279	—	—	Average (56) — 79 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 330 at-bats and 8 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.
Pete Kozma	Infielders	38	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.
Jed Lowrie	Infielders	8	batting	457	112	14	.245	—	—	Average (51) — 229 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 457 at-bats and 14 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.
Vimael Machín	Infielders	31,39	batting	32	4	0	.125	—	—	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.
Mitch Moreland	Infielders	18	batting	229	52	10	.227	—	—	Average (49) — 306 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 229 at-bats and 10 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.
Matt Olson	Infielders	28	batting	565	153	39	.271	—	—	Average (59) — 37 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 565 at-bats and 39 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.
Chad Pinder	Infielders	18	batting	214	52	6	.243	—	—	Average (50) — 261 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 214 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.
Frank Schwindel	Infielders	45	batting	20	3	1	.150	—	—	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.
Jacob Wilson	Infielders	11	batting	7	1	0	.143	—	—	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.
Luis Barrera	Outfielders	13	batting	8	2	0	.250	—	—	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.
Skye Bolt	Outfielders	49	batting	56	5	1	.089	—	—	Below average (41) — 504 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 56 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.
Seth Brown	Outfielders	15	batting	281	60	20	.214	—	—	Average (50) — 261 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 281 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.
Mark Canha	Outfielders	20	batting	519	120	17	.231	—	—	Average (49) — 306 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 519 at-bats and 17 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.
Khris Davis	Outfielders	11	batting	51	13	1	.255	—	—	Average (51) — 229 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 51 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.
Ramón Laureano	Outfielders	22	batting	341	84	14	.246	—	—	Average (52) — 186 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 341 at-bats and 14 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.
Starling Marte	Outfielders	2	batting	234	74	5	.316	—	—	Strong (60) — 31 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 234 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.
Chad Pinder	Outfielders	4	batting	214	52	6	.243	—	—	Average (50) — 261 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 214 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.
Stephen Piscotty	Outfielders	25	batting	173	38	5	.220	—	—	Average (48) — 336 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 173 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.
Ka'ai Tom	Outfielders	1	batting	16	1	0	.063	—	—	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.

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 Oakland Athletics season. Retrieved 2026-09-30T03:50:59.086076+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.