Since 2018, Brett Anderson has the worst K/9 when pitching at least 200 innings, with 5.12 per nine innings.
Interpreted as:
lowest so/9 by a player since 2018 (min 200 ip)| NAME | K/9 | IP | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | B. Anderson | 5.12 | 399.1 | 82 | 25 | 27 | .481 | 82 | 4.12 | 227 | 0 | 0 | 0 | 423 | 183 | 198 | 47 | 100 | 12 | 0 | 2 | 1,687 | 7 | 2.25 | 2.27 | 1.06 | 13.5 | 5.9 | 1.31 | .289 | 4.46 | 96 | 4.42 | 102 | 9.53 | -3.2 |
| 2 | | T.J. McFarland | 5.23 | 294.0 | 296 | 10 | 8 | .556 | 0 | 3.92 | 171 | 0 | 0 | 1 | 318 | 128 | 142 | 29 | 88 | 10 | 72 | 14 | 1,243 | 7 | 2.69 | 1.94 | 0.89 | 13.8 | 7.1 | 1.38 | .306 | 4.35 | 96 | 4.28 | 104 | 9.73 | -6.5 |
| 3 | | R. Bleier | 5.46 | 244.0 | 255 | 13 | 5 | .722 | 2 | 3.73 | 148 | 0 | 0 | 5 | 266 | 101 | 109 | 18 | 37 | 13 | 39 | 11 | 1,014 | 11 | 1.36 | 4.00 | 0.66 | 14.6 | 3.6 | 1.24 | .311 | 4.02 | 85 | 3.53 | 81 | 9.81 | 21.5 |
| 4 | | T. Blach | 5.57 | 339.1 | 118 | 14 | 20 | .412 | 44 | 5.94 | 210 | 0 | 0 | 1 | 437 | 224 | 234 | 52 | 111 | 15 | 30 | 6 | 1,526 | 6 | 2.94 | 1.89 | 1.38 | 13.8 | 7.3 | 1.61 | .338 | 6.21 | 133 | 5.04 | 119 | 11.59 | -29.6 |
| 5 | | A. Senzatela | 5.62 | 687.1 | 142 | 33 | 54 | .379 | 125 | 5.28 | 429 | 1 | 0 | 0 | 851 | 403 | 430 | 87 | 217 | 31 | 2 | 9 | 3,060 | 16 | 2.84 | 1.98 | 1.14 | 14.0 | 7.1 | 1.55 | .333 | 5.63 | 110 | 4.64 | 105 | 11.14 | -13.6 |
| 6 | | J. Fleming | 5.69 | 254.2 | 80 | 20 | 14 | .588 | 25 | 4.77 | 161 | 0 | 0 | 2 | 282 | 135 | 153 | 33 | 83 | 6 | 13 | 8 | 1,106 | 3 | 2.93 | 1.94 | 1.17 | 14.6 | 7.5 | 1.43 | .303 | 5.41 | 118 | 4.64 | 114 | 9.97 | -16.7 |
| 7 | | C. Richard | 5.74 | 204.0 | 37 | 8 | 16 | .333 | 37 | 5.47 | 130 | 0 | 0 | 0 | 212 | 124 | 131 | 28 | 78 | 14 | 0 | 1 | 883 | 10 | 3.44 | 1.67 | 1.24 | 14.7 | 8.8 | 1.42 | .291 | 5.78 | 135 | 5.03 | 121 | 9.35 | -20 |
| 8 | | R. Vásquez | 5.78 | 269.1 | 59 | 12 | 16 | .429 | 51 | 4.08 | 173 | 0 | 0 | 0 | 274 | 122 | 127 | 34 | 99 | 17 | 2 | 2 | 1,167 | 11 | 3.31 | 1.75 | 1.14 | 14.8 | 8.5 | 1.38 | .284 | 4.24 | 101 | 4.81 | 117 | 9.16 | -21 |
| 9 | | M. Leake | 5.79 | 382.2 | 63 | 22 | 21 | .512 | 63 | 4.33 | 246 | 2 | 1 | 0 | 434 | 184 | 212 | 64 | 61 | 16 | 0 | 5 | 1,619 | 4 | 1.43 | 4.03 | 1.51 | 15.2 | 3.8 | 1.29 | .300 | 4.99 | 102 | 4.67 | 108 | 10.21 | -15.8 |
| 10 | | C. Chi González | 5.80 | 211.0 | 54 | 5 | 16 | .238 | 39 | 6.10 | 136 | 0 | 0 | 0 | 243 | 143 | 147 | 38 | 79 | 10 | 5 | 0 | 935 | 5 | 3.37 | 1.72 | 1.62 | 14.5 | 8.4 | 1.53 | .305 | 6.27 | 128 | 5.49 | 123 | 10.36 | -22.3 |
| 11 | | I. Nova | 5.81 | 367.0 | 67 | 21 | 22 | .488 | 67 | 4.68 | 237 | 2 | 0 | 0 | 418 | 191 | 207 | 60 | 91 | 13 | 0 | 5 | 1,577 | 18 | 2.23 | 2.60 | 1.47 | 15.0 | 5.8 | 1.39 | .304 | 5.08 | 109 | 4.86 | 111 | 10.25 | -18.4 |
| 12 | | D. Hudson | 5.85 | 559.2 | 132 | 40 | 32 | .556 | 97 | 4.21 | 364 | 0 | 0 | 1 | 538 | 262 | 287 | 56 | 265 | 32 | 4 | 9 | 2,414 | 20 | 4.26 | 1.37 | 0.90 | 15.1 | 11.0 | 1.43 | .284 | 4.62 | 100 | 4.77 | 114 | 8.65 | -37.2 |
| 13 | | J. King | 5.86 | 253.1 | 214 | 16 | 14 | .533 | 0 | 3.80 | 165 | 0 | 0 | 0 | 283 | 107 | 127 | 25 | 68 | 8 | 45 | 5 | 1,093 | 10 | 2.42 | 2.43 | 0.89 | 15.1 | 6.2 | 1.39 | .312 | 4.51 | 91 | 4.04 | 97 | 10.05 | 3.3 |
| 14 | | J. Woodford | 5.91 | 256.0 | 111 | 10 | 17 | .370 | 25 | 5.10 | 168 | 0 | 0 | 3 | 283 | 145 | 157 | 35 | 85 | 18 | 34 | 2 | 1,125 | 12 | 2.99 | 1.98 | 1.23 | 14.9 | 7.6 | 1.44 | .303 | 5.52 | 122 | 4.84 | 117 | 9.95 | -21 |
| 15 | | A. Pruitt | 6.01 | 232.0 | 124 | 7 | 11 | .389 | 9 | 4.27 | 155 | 0 | 0 | 5 | 226 | 110 | 119 | 35 | 52 | 4 | 43 | 4 | 957 | 3 | 2.02 | 2.98 | 1.36 | 16.2 | 5.4 | 1.20 | .269 | 4.62 | 106 | 4.52 | 111 | 8.77 | -11.4 |
| 16 | | J. Ureña | 6.15 | 688.1 | 169 | 25 | 57 | .305 | 109 | 4.77 | 470 | 1 | 0 | 5 | 716 | 365 | 395 | 95 | 259 | 29 | 26 | 14 | 2,984 | 18 | 3.39 | 1.81 | 1.24 | 15.8 | 8.7 | 1.42 | .291 | 5.16 | 114 | 4.84 | 116 | 9.36 | -51.4 |
| 17 | | A. Cashner | 6.15 | 303.0 | 70 | 15 | 23 | .395 | 51 | 4.99 | 207 | 0 | 0 | 1 | 321 | 168 | 181 | 44 | 123 | 7 | 3 | 3 | 1,317 | 14 | 3.65 | 1.68 | 1.31 | 15.7 | 9.3 | 1.47 | .296 | 5.38 | 111 | 4.99 | 110 | 9.53 | -13.8 |
| 18 | | S. Alexander | 6.26 | 233.0 | 270 | 16 | 11 | .593 | 13 | 3.59 | 162 | 0 | 0 | 6 | 219 | 93 | 105 | 21 | 83 | 8 | 46 | 16 | 975 | 12 | 3.21 | 1.95 | 0.81 | 16.6 | 8.5 | 1.30 | .282 | 4.06 | 88 | 4.13 | 100 | 8.46 | 0.3 |
| 19 | | E. RamÃrez | 6.28 | 268.0 | 154 | 13 | 11 | .542 | 14 | 4.67 | 187 | 0 | 0 | 3 | 271 | 139 | 151 | 50 | 61 | 16 | 45 | 3 | 1,127 | 6 | 2.05 | 3.07 | 1.68 | 16.6 | 5.4 | 1.24 | .272 | 5.07 | 113 | 5.05 | 122 | 9.10 | -27.3 |
| 20 | | A. Pallante | 6.28 | 460.0 | 169 | 24 | 29 | .453 | 61 | 4.32 | 321 | 0 | 0 | 0 | 472 | 221 | 240 | 44 | 180 | 11 | 14 | 2 | 1,983 | 34 | 3.52 | 1.78 | 0.86 | 16.2 | 9.1 | 1.42 | .300 | 4.70 | 105 | 4.24 | 105 | 9.23 | -11.4 |
| 21 | | M. Manning | 6.31 | 254.0 | 50 | 11 | 15 | .423 | 50 | 4.43 | 178 | 0 | 0 | 0 | 242 | 125 | 138 | 30 | 85 | 9 | 0 | 0 | 1,087 | 4 | 3.01 | 2.09 | 1.06 | 16.4 | 7.8 | 1.29 | .270 | 4.89 | 106 | 4.42 | 107 | 8.57 | -8.3 |
| 22 |  | D. Keuchel | 6.32 | 657.2 | 124 | 39 | 40 | .494 | 118 | 4.63 | 462 | 1 | 0 | 0 | 729 | 338 | 366 | 78 | 230 | 20 | 2 | 4 | 2,892 | 25 | 3.15 | 2.01 | 1.07 | 16.0 | 8.0 | 1.46 | .310 | 5.01 | 110 | 4.45 | 104 | 9.98 | -9.9 |
| 23 | | C. Flexen | 6.32 | 643.1 | 160 | 32 | 44 | .421 | 102 | 4.60 | 452 | 0 | 0 | 3 | 697 | 329 | 354 | 95 | 223 | 13 | 38 | 7 | 2,792 | 23 | 3.12 | 2.03 | 1.33 | 16.2 | 8.0 | 1.43 | .300 | 4.95 | 112 | 4.78 | 116 | 9.75 | -46.9 |
| 24 | | T. Hill | 6.38 | 389.1 | 452 | 24 | 18 | .571 | 0 | 3.84 | 276 | 0 | 0 | 4 | 384 | 166 | 203 | 38 | 119 | 26 | 87 | 14 | 1,654 | 4 | 2.75 | 2.32 | 0.88 | 16.7 | 7.2 | 1.29 | .290 | 4.69 | 93 | 4.13 | 97 | 8.88 | 4.4 |
| 25 | | J. Tomlin | 6.41 | 238.2 | 135 | 10 | 8 | .556 | 15 | 5.20 | 170 | 0 | 0 | 2 | 283 | 138 | 145 | 55 | 32 | 6 | 48 | 3 | 1,022 | 8 | 1.21 | 5.31 | 2.07 | 16.6 | 3.1 | 1.32 | .300 | 5.47 | 118 | 5.23 | 122 | 10.67 | -24.6 |
More Athletics Stats
Team Batting Leaders 
HR
36
Kurtz
RBI
93
Soderstrom
AVG
.311
Wilson
Team Pitching Leaders 
W
11
Springs
K
138
Springs
ERA
4.08
Lopez
Team Rankings
HR
219
7th
R
733
12th
SO
1,323
20th
ERA
4.70
27th
Astros
Rangers
Athletics
Angels
ATL
MLB 2025 Batting Leaders
MLB 2025 Pitching Leaders
MLB Fantasy 2025
MLB 2025 Betting
MLB 2025 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
 Phillies - y | 96 | 66 | .593 | |
83 | 79 | .512 | 13.0 | |
79 | 83 | .488 | 17.0 | |
76 | 86 | .469 | 20.0 | |
66 | 96 | .407 | 30.0 | |
| NL Central | W | L | PCT | GB |
 Brewers - y | 97 | 65 | .599 | |
 Cubs - w | 92 | 70 | .568 | 5.0 |
 Reds - w | 83 | 79 | .512 | 14.0 |
78 | 84 | .481 | 19.0 | |
71 | 91 | .438 | 26.0 | |
| NL West | W | L | PCT | GB |
 Dodgers - y | 93 | 69 | .574 | |
 Padres - w | 90 | 72 | .556 | 3.0 |
81 | 81 | .500 | 12.0 | |
80 | 82 | .494 | 13.0 | |
43 | 119 | .265 | 50.0 |
Mets
Marlins
Nationals
Cardinals
Pirates
Giants
Diamondbacks
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
 Blue Jays - y | 94 | 68 | .580 | |
 Yankees - w | 94 | 68 | .580 | |
 Red Sox - w | 89 | 73 | .549 | 5.0 |
77 | 85 | .475 | 17.0 | |
75 | 87 | .463 | 19.0 | |
| AL Central | W | L | PCT | GB |
 Guardians - y | 88 | 74 | .543 | |
 Tigers - w | 87 | 75 | .537 | 1.0 |
82 | 80 | .506 | 6.0 | |
70 | 92 | .432 | 18.0 | |
60 | 102 | .370 | 28.0 | |
| AL West | W | L | PCT | GB |
 Mariners - y | 90 | 72 | .556 | |
87 | 75 | .537 | 3.0 | |
81 | 81 | .500 | 9.0 | |
76 | 86 | .469 | 14.0 | |
72 | 90 | .444 | 18.0 |
Rays
Orioles
Royals
Twins
White Sox
