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 | |
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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