Since 2020, Chris Bassitt has the best ERA for the Oakland Athletics in a season, with an ERA of 2.29 in 2020.
| NAME | ERA | SEASON | TM | G | W | L | W% | GS | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | C. Bassitt | 2.29 | 2020 | 11 | 5 | 2 | .714 | 11 | 55 | 0 | 0 | 0 | 63.0 | 56 | 16 | 18 | 6 | 17 | 2 | 0 | 0 | 261 | 2 | 7.86 | 2.43 | 3.24 | 0.86 | 21.1 | 6.5 | 1.16 | .276 | 2.57 | 54 | 3.58 | 83 | 8.00 | 5.2 | |
| 2 | | C. Bassitt | 3.15 | 2021 | 27 | 12 | 4 | .750 | 27 | 159 | 1 | 1 | 0 | 157.1 | 127 | 55 | 55 | 15 | 39 | 11 | 0 | 1 | 637 | 5 | 9.10 | 2.23 | 4.08 | 0.86 | 25.0 | 6.1 | 1.06 | .271 | 3.15 | 77 | 3.33 | 80 | 7.26 | 14.5 | |
| 3 |  | F. Montas | 3.18 | 2022 | 19 | 4 | 9 | .308 | 19 | 109 | 0 | 0 | 0 | 104.2 | 91 | 37 | 44 | 12 | 28 | 1 | 0 | 3 | 423 | 4 | 9.37 | 2.41 | 3.89 | 1.03 | 25.8 | 6.6 | 1.14 | .289 | 3.78 | 86 | 3.35 | 88 | 7.82 | 5.6 | |
| 4 | | F. Montas | 3.37 | 2021 | 32 | 13 | 9 | .591 | 32 | 207 | 0 | 0 | 0 | 187.0 | 164 | 70 | 79 | 20 | 57 | 7 | 0 | 1 | 778 | 11 | 9.96 | 2.74 | 3.63 | 0.96 | 26.6 | 7.3 | 1.18 | .296 | 3.80 | 82 | 3.37 | 81 | 7.89 | 16.5 | |
| 5 | | J.T. Ginn | 3.71 | 2026 | 27 | 9 | 8 | .529 | 24 | 121 | 1 | 0 | 0 | 138.1 | 114 | 57 | 63 | 17 | 57 | 9 | 2 | 1 | 580 | 3 | 7.87 | 3.71 | 2.12 | 1.11 | 20.9 | 9.8 | 1.24 | .258 | 4.10 | 83 | 4.37 | 100 | 7.42 | 0.5 | |
| 6 |  | S. Manaea | 3.91 | 2021 | 32 | 11 | 10 | .524 | 32 | 194 | 2 | 2 | 0 | 179.1 | 179 | 78 | 79 | 25 | 41 | 9 | 0 | 0 | 754 | 5 | 9.74 | 2.06 | 4.73 | 1.25 | 25.7 | 5.4 | 1.23 | .318 | 3.96 | 95 | 3.65 | 88 | 8.98 | 10 | |
| 7 | | C. Irvin | 3.98 | 2022 | 30 | 9 | 13 | .409 | 30 | 128 | 0 | 0 | 0 | 181.0 | 174 | 80 | 87 | 25 | 36 | 7 | 0 | 3 | 741 | 3 | 6.36 | 1.79 | 3.56 | 1.24 | 17.3 | 4.9 | 1.16 | .273 | 4.33 | 108 | 4.20 | 110 | 8.65 | -8.1 | |
| 8 | | J. Kaprielian | 4.07 | 2021 | 24 | 8 | 5 | .615 | 21 | 123 | 0 | 0 | 0 | 119.1 | 105 | 54 | 55 | 19 | 41 | 5 | 0 | 0 | 502 | 1 | 9.28 | 3.09 | 3.00 | 1.43 | 24.5 | 8.2 | 1.22 | .274 | 4.15 | 99 | 4.33 | 104 | 7.92 | -2.6 | |
| 9 | | J. Lopez | 4.08 | 2025 | 21 | 7 | 7 | .500 | 17 | 113 | 0 | 0 | 0 | 92.2 | 81 | 42 | 47 | 15 | 37 | 8 | 1 | 0 | 399 | 0 | 10.97 | 3.59 | 3.05 | 1.46 | 28.3 | 9.3 | 1.27 | .292 | 4.56 | 92 | 4.25 | 97 | 7.87 | 1.4 | |
| 10 | | J. Springs | 4.11 | 2025 | 32 | 11 | 11 | .500 | 30 | 138 | 0 | 0 | 0 | 171.0 | 153 | 78 | 90 | 28 | 54 | 3 | 0 | 0 | 713 | 0 | 7.26 | 2.84 | 2.56 | 1.47 | 19.4 | 7.6 | 1.21 | .255 | 4.74 | 93 | 4.64 | 106 | 8.05 | -4.4 | |
| 11 |  | J. Luzardo | 4.12 | 2020 | 12 | 3 | 2 | .600 | 9 | 59 | 0 | 0 | 0 | 59.0 | 58 | 27 | 27 | 9 | 17 | 3 | 1 | 1 | 248 | 3 | 9.00 | 2.59 | 3.47 | 1.37 | 23.8 | 6.9 | 1.27 | .306 | 4.12 | 98 | 4.18 | 97 | 8.85 | 0.8 | |
| 12 | | J. Kaprielian | 4.23 | 2022 | 26 | 5 | 9 | .357 | 26 | 98 | 0 | 0 | 0 | 134.0 | 121 | 63 | 68 | 16 | 59 | 5 | 0 | 0 | 577 | 2 | 6.58 | 3.96 | 1.66 | 1.07 | 17.0 | 10.2 | 1.34 | .263 | 4.57 | 115 | 4.63 | 121 | 8.13 | -12.6 | |
| 13 | | C. Irvin | 4.24 | 2021 | 32 | 10 | 15 | .400 | 32 | 125 | 0 | 0 | 0 | 178.1 | 195 | 84 | 94 | 23 | 42 | 9 | 0 | 0 | 768 | 3 | 6.31 | 2.12 | 2.98 | 1.16 | 16.3 | 5.5 | 1.33 | .302 | 4.74 | 103 | 4.29 | 104 | 9.84 | -3.2 | |
| 14 | | P. Blackburn | 4.28 | 2022 | 21 | 7 | 6 | .538 | 21 | 89 | 0 | 0 | 0 | 111.1 | 110 | 53 | 53 | 15 | 30 | 5 | 0 | 2 | 467 | 1 | 7.19 | 2.43 | 2.97 | 1.21 | 19.1 | 6.4 | 1.26 | .290 | 4.28 | 116 | 4.20 | 110 | 8.89 | -5 | |
| 15 | | JP Sears | 4.38 | 2024 | 32 | 11 | 13 | .458 | 32 | 137 | 0 | 0 | 0 | 180.2 | 172 | 88 | 93 | 28 | 49 | 14 | 0 | 0 | 758 | 0 | 6.82 | 2.44 | 2.80 | 1.39 | 18.1 | 6.5 | 1.22 | .272 | 4.63 | 114 | 4.70 | 119 | 8.57 | -15.5 | |
| 16 | | P. Blackburn | 4.43 | 2023 | 21 | 4 | 6 | .400 | 20 | 104 | 0 | 0 | 0 | 103.2 | 117 | 51 | 54 | 11 | 43 | 3 | 0 | 1 | 464 | 1 | 9.03 | 3.73 | 2.42 | 0.95 | 22.4 | 9.3 | 1.54 | .350 | 4.69 | 108 | 3.96 | 95 | 10.16 | 2.2 | |
| 17 | | S. Manaea | 4.50 | 2020 | 11 | 4 | 3 | .571 | 11 | 45 | 0 | 0 | 0 | 54.0 | 57 | 27 | 32 | 7 | 8 | 1 | 0 | 0 | 222 | 1 | 7.50 | 1.33 | 5.63 | 1.17 | 20.3 | 3.6 | 1.20 | .311 | 5.33 | 107 | 3.70 | 86 | 9.50 | 3.7 | |
| 18 |  | L. Severino | 4.54 | 2025 | 29 | 8 | 11 | .421 | 29 | 124 | 0 | 0 | 0 | 162.2 | 162 | 82 | 93 | 16 | 50 | 16 | 0 | 1 | 705 | 3 | 6.86 | 2.77 | 2.48 | 0.89 | 17.6 | 7.1 | 1.30 | .293 | 5.15 | 103 | 4.10 | 94 | 8.96 | 5.1 | |
| 19 | | JP Sears | 4.54 | 2023 | 32 | 5 | 12 | .294 | 32 | 161 | 0 | 0 | 0 | 172.1 | 165 | 87 | 90 | 34 | 53 | 16 | 0 | 2 | 735 | 2 | 8.41 | 2.77 | 3.04 | 1.78 | 21.9 | 7.2 | 1.26 | .278 | 4.70 | 111 | 5.15 | 124 | 8.62 | -19.9 | |
| 20 | | M. Fiers | 4.58 | 2020 | 11 | 6 | 3 | .667 | 11 | 37 | 0 | 0 | 0 | 59.0 | 65 | 30 | 31 | 9 | 16 | 4 | 0 | 0 | 257 | 1 | 5.64 | 2.44 | 2.31 | 1.37 | 14.4 | 6.2 | 1.37 | .293 | 4.73 | 109 | 4.93 | 114 | 9.92 | -4.3 | |
| 21 | | M. Spence | 4.58 | 2024 | 35 | 8 | 10 | .444 | 24 | 126 | 0 | 0 | 0 | 151.1 | 165 | 77 | 79 | 20 | 44 | 6 | 2 | 0 | 651 | 8 | 7.49 | 2.62 | 2.86 | 1.19 | 19.4 | 6.8 | 1.38 | .319 | 4.70 | 119 | 4.20 | 106 | 9.81 | -4.3 | |
| 22 | | JP Sears | 4.95 | 2025 | 22 | 7 | 9 | .438 | 22 | 97 | 0 | 0 | 0 | 111.0 | 112 | 61 | 63 | 23 | 29 | 5 | 0 | 0 | 472 | 1 | 7.86 | 2.35 | 3.34 | 1.86 | 20.6 | 6.1 | 1.27 | .280 | 5.11 | 112 | 4.99 | 114 | 9.08 | -7 | |
| 23 | | J. Estes | 5.01 | 2024 | 25 | 7 | 9 | .438 | 24 | 92 | 1 | 1 | 0 | 127.2 | 130 | 71 | 73 | 23 | 27 | 10 | 0 | 1 | 543 | 3 | 6.49 | 1.90 | 3.41 | 1.62 | 16.9 | 5.0 | 1.23 | .274 | 5.15 | 130 | 4.93 | 124 | 9.16 | -14.3 | |
| 24 | | J.T. Ginn | 5.08 | 2025 | 23 | 4 | 7 | .364 | 16 | 99 | 0 | 0 | 0 | 90.1 | 92 | 51 | 52 | 17 | 31 | 6 | 0 | 1 | 392 | 1 | 9.86 | 3.09 | 3.19 | 1.69 | 25.3 | 7.9 | 1.36 | .314 | 5.18 | 115 | 4.61 | 105 | 9.17 | -2 | |
| 25 | | M. Spence | 5.10 | 2025 | 32 | 3 | 6 | .333 | 8 | 66 | 0 | 0 | 1 | 84.2 | 96 | 48 | 57 | 16 | 26 | 4 | 3 | 2 | 375 | 1 | 7.02 | 2.76 | 2.54 | 1.70 | 17.6 | 6.9 | 1.44 | .304 | 6.06 | 116 | 5.09 | 116 | 10.20 | -6.2 | |
OAKMore MLB News
Joe Musgrove makes Padres' Wild Card Series roster despite not pitching since 2024
A's outfielder Zack Gelof sues Tigers for damages after right knee slammed into Comerica Park fence
The fast get faster: MLB pitchers again set fastball velocity record by averaging 94.8 mph
Aaron Judge left off New York Yankees' roster for playoff series against Boston Red Sox with calf injury
Aaron Judge left off Yankees' Wild Card Series roster vs. Red Sox with calf injury
This Date in Baseball - Mariners clinch playoff spot for 1st time since 2001, longest drought in MLB
More Athletics Stats
Team Batting Leaders 
HR
23
Langeliers
RBI
69
Kurtz
AVG
.277
Bolte
Team Pitching Leaders
W
9
Ginn
K
140
Perkins
ERA
3.71
Ginn
Team Rankings
HR
194
11th
R
699
20th
SO
1,356
14th
ERA
5.51
29th
Rangers
Mariners
Angels
MLB 2026 Batting Leaders
MLB 2026 Pitching Leaders
MLB Fantasy 2026
MLB 2026 Betting
MLB 2026 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
 Braves - y | 94 | 68 | .580 | |
 Phillies - w | 88 | 74 | .543 | 6.0 |
80 | 82 | .494 | 14.0 | |
77 | 85 | .475 | 17.0 | |
74 | 88 | .457 | 20.0 | |
| NL Central | W | L | PCT | GB |
 Brewers - y | 103 | 59 | .636 | |
 Cubs - w | 89 | 73 | .549 | 14.0 |
82 | 80 | .506 | 21.0 | |
77 | 85 | .475 | 26.0 | |
75 | 87 | .463 | 28.0 | |
| NL West | W | L | PCT | GB |
 Dodgers - y | 100 | 62 | .617 | |
 Padres - w | 91 | 71 | .562 | 9.0 |
86 | 76 | .531 | 14.0 | |
65 | 97 | .401 | 35.0 | |
58 | 104 | .358 | 42.0 |
Marlins
Nationals
Mets
Pirates
Cardinals
Reds
Diamondbacks
Giants
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
 Rays - y | 98 | 64 | .605 | |
 Yankees - w | 93 | 68 | .578 | 4.5 |
 Red Sox - w | 87 | 75 | .537 | 11.0 |
79 | 82 | .491 | 18.5 | |
79 | 83 | .488 | 19.0 | |
| AL Central | W | L | PCT | GB |
 Guardians - y | 85 | 77 | .525 | |
 White Sox - w | 84 | 78 | .519 | 1.0 |
77 | 85 | .475 | 8.0 | |
76 | 86 | .469 | 9.0 | |
69 | 93 | .426 | 16.0 | |
| AL West | W | L | PCT | GB |
 Astros - y | 81 | 81 | .500 | |
80 | 82 | .494 | 1.0 | |
76 | 86 | .469 | 5.0 | |
64 | 98 | .395 | 17.0 | |
62 | 100 | .383 | 19.0 |
Orioles
Blue Jays
Twins
Tigers
Royals