
Mitch Keller
Pittsburgh Pirates · SP
Throws:
R
Bats:
R
Height:
6'4
Weight:
212
Born:
Apr 04, 1996 ()
Percentile Ranks
vs LHH
vs RHH K%
29.3
57.9 xWOBA
0.362 · 24%
0.302 · 74%
xSLG
28.3
64.8
vs LHH
vs RHH K%
29.3
57.9 xWOBA
0.362 · 24%
0.302 · 74%
xSLG
28.3
64.8
| Year | Team | G | GS | W-L | IP | ERA | WHIP | K% | CSW% | BB% | xAVG | xSLG | xwOBA | xISO | BAR% | SS% | HH% | GB% | LD% | FB% | Z% |
Z Sw% |
OZ% |
OZ Sw% |
Apr | May | Jun | Jul | Aug | Sep |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 32 | 32 | 6-15 | 176.1 | 4.19 | 1.26 | 20.0% | 0.0% | 6.8% | .268 | .436 | .332 | .168 | 7.8% | 34.6% | 44% | 44% | 24% | 24% | 54% | 13% | 47% | 44% | 11.2 | 14.4 | 12.8 | 15.8 | 13.6 | 12.5 | |
| 2024 | 31 | 31 | 11-12 | 178.0 | 4.25 | 1.30 | 21.5% | 0.0% | 6.5% | .249 | .408 | .320 | .160 | 7.2% | 38.0% | 39% | 40% | 28% | 26% | 53% | 14% | 47% | 40% | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| 2023 | 32 | 32 | 13-9 | 194.1 | 4.21 | 1.25 | 25.5% | 0.0% | 6.7% | .251 | .404 | .315 | .153 | 8.6% | 36.5% | 36% | 44% | 25% | 26% | 54% | 18% | 46% | 38% | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| 2022 | 31 | 29 | 5-12 | 159.0 | 3.91 | 1.40 | 20.1% | 0.0% | 8.7% | .252 | .383 | .318 | .130 | 7.1% | 33.3% | 37% | 50% | 26% | 19% | 50% | 15% | 50% | 39% | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| 2021 | Pirates | 23 | 23 | 5-11 | 100.2 | 6.17 | 1.79 | 19.6% | 0.0% | 10.2% | .289 | .452 | .359 | .164 | 6.8% | 40.1% | 48% | 41% | 30% | 25% | 50% | 12% | 50% | 41% | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 2020 | Pirates | 5 | 5 | 1-1 | 21.2 | 2.91 | 1.27 | 18.4% | 0.0% | 20.7% | .203 | .468 | .371 | .265 | 11.5% | 19.2% | 42% | 42% | 14% | 37% | 45% | 17% | 55% | 33% | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 2019 | Pirates | 11 | 11 | 1-5 | 48.0 | 7.13 | 1.83 | 28.6% | 0.0% | 7.0% | .237 | .346 | .284 | .110 | 5.5% | 33.8% | 35% | 41% | 35% | 20% | 52% | 17% | 49% | 51% | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 2025 Splits | vs LHB | vs RHB | Pitch | Type | MPH | SPIN | Whiff% | Usage | xBAVG | xWOBA | K% | BB% | xSLG | ISO | HR | Usage | xBAVG | xWOBA | K% | BB% | xSLG | ISO | HR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4-Seamer | Fastball | MPH | 0% | 53% | .324 | .390 | 17.2 | 8.3 | .520 | .175 | 5 | 41% | .253 | .319 | 20.7 | 8.0 | .341 | .081 | 0 | |
| Cutter | Fastball | 92.4 MPH | 2427 | 0% | 0% | .854 | 1.329 | 0.0 | 0.0 | 2.364 | 1.000 | 0 | 0% | .000 | .000 | 0.0 | 0.0 | .000 | .000 | 0 |
| Slider | Breaking | 86.9 MPH | 2531 | 27% | 15% | .286 | .360 | 20.7 | 12.1 | .450 | .118 | 1 | 24% | .271 | .313 | 16.4 | 6.0 | .404 | .222 | 3 |
| Sweeper | Breaking | MPH | 27% | 17% | .235 | .291 | 25.0 | 6.8 | .350 | .125 | 1 | 34% | .213 | .273 | 29.1 | 0.9 | .429 | .147 | 4 | |
| Changeup | Offspeed | 89.2 MPH | 2031 | 16% | 16% | .265 | .316 | 15.2 | 6.5 | .411 | .209 | 2 | 1% | .428 | .504 | 0.0 | 0.0 | .755 | .000 | 0 |
| 2024 Splits | vs LHB | vs RHB | Pitch | Type | MPH | SPIN | Whiff% | Usage | xBAVG | xWOBA | K% | BB% | xSLG | ISO | HR | Usage | xBAVG | xWOBA | K% | BB% | xSLG | ISO | HR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4-Seamer | Fastball | MPH | 0% | 50% | .261 | .330 | 23.7 | 6.1 | .455 | .189 | 4 | 37% | .218 | .317 | 28.8 | 13.6 | .307 | .091 | 0 | |
| Cutter | Fastball | 90.4 MPH | 2490 | 19% | 21% | .338 | .419 | 11.3 | 3.8 | .592 | .388 | 5 | 14% | .255 | .349 | 7.3 | 12.2 | .437 | .206 | 2 |
| Slider | Breaking | 87.5 MPH | 2496 | 25% | 11% | .302 | .375 | 20.6 | 2.9 | .560 | .273 | 2 | 18% | .333 | .386 | 13.3 | 2.2 | .552 | .333 | 2 |
| Sweeper | Breaking | MPH | 25% | 16% | .220 | .313 | 37.3 | 6.8 | .410 | .264 | 3 | 31% | .182 | .232 | 26.8 | 4.1 | .239 | .045 | 0 | |
| Changeup | Offspeed | 89.6 MPH | 2104 | 7% | 2% | .443 | .545 | 0.0 | 0.0 | .842 | .571 | 0 |
| 2023 Splits | vs LHB | vs RHB | Pitch | Type | MPH | SPIN | Whiff% | Usage | xBAVG | xWOBA | K% | BB% | xSLG | ISO | HR | Usage | xBAVG | xWOBA | K% | BB% | xSLG | ISO | HR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4-Seamer | Fastball | 92.9 MPH | 2402 | 30% | 35% | .176 | .272 | 36.8 | 12.5 | .302 | .145 | 3 | 16% | .179 | .281 | 55.1 | 10.1 | .382 | .194 | 3 |
| Cutter | Fastball | 89.7 MPH | 2456 | 24% | 29% | .315 | .382 | 9.4 | 6.8 | .512 | .271 | 6 | 19% | .292 | .306 | 22.7 | 5.3 | .373 | .057 | 1 |
| Sinker | Fastball | 93.8 MPH | 2374 | 11% | 7% | .186 | .227 | 55.0 | 5.0 | .287 | .105 | 1 | 42% | .249 | .306 | 9.9 | 3.1 | .374 | .103 | 3 |
| Curveball | Breaking | 78.0 MPH | 2604 | 24% | 13% | .310 | .400 | 25.0 | 2.3 | .626 | .357 | 4 | 2% | .000 | .355 | 0.0 | 1.0 | .000 | .000 | 0 |
| Sweeper | Breaking | MPH | 27% | 12% | .236 | .313 | 26.7 | 13.3 | .330 | .118 | 1 | 21% | .274 | .307 | 27.9 | 1.2 | .435 | .094 | 2 | |
| Changeup | Offspeed | 90.7 MPH | 1646 | 21% | 5% | .360 | .406 | 8.0 | 0.0 | .600 | .364 | 1 | 0% | .000 | .000 | 0.0 | 0.0 | .000 | .000 | 0 |
| Splits | vs LHB | vs RHB | Year | PA | xBAVG | xWOBA | xSLG | ISO | K% | BB% | HR | PA | xBAVG | xWOBA | xSLG | ISO | K% | BB% | HR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 376 | .295 | .362 | .473 | .182 | 18.4% | 8.8% | 13 | 373 | .242 | .302 | .399 | .130 | 21.7% | 4.8% | 8 |
| 2024 | 400 | .270 | .340 | .462 | .224 | 24.0% | 5.8% | 16 | 373 | .225 | .298 | .348 | .141 | 18.8% | 7.2% | 7 |
| 2023 | 430 | .250 | .324 | .413 | .202 | 26.7% | 8.6% | 16 | 395 | .252 | .306 | .394 | .107 | 24.1% | 4.6% | 9 |
| 2022 | 329 | .238 | .306 | .358 | .114 | 16.7% | 10.0% | 5 | 357 | .266 | .328 | .405 | .129 | 23.2% | 7.3% | 9 |
| Home | Road | Season | PA | xAVG | xWOBA | K% | BB% | xSLG | ISO | HR | PA | xAVG | xWOBA | K% | BB% | xSLG | ISO | HR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 55 | .267 | .322 | 76.0% | 26.0% | .410 | .308 | 0 | 45 | .227 | .301 | 74.0% | 25.0% | .399 | .268 | 2 |
| 2024 | 378 | .237 | .303 | 22.8% | 6.1% | .383 | .140 | 8 | 395 | .260 | .336 | 20.3% | 6.8% | .433 | .229 | 15 |
| 2023 | 363 | .239 | .299 | 23.1% | 6.3% | .385 | .123 | 9 | 462 | .261 | .328 | 27.3% | 6.9% | .419 | .181 | 16 |
| 2022 | 374 | .258 | .329 | 19.5% | 9.1% | .405 | .127 | 8 | 312 | .247 | .305 | 20.8% | 8.0% | .357 | .115 | 6 |
| Split | Games | Wind 0-9 mph+ | Wind 10+ mph | Humid 0-25 | Humid 25-50 | Humid 50-75 | Humid 75-100 | Temp 0-40 | Temp 40-60 | Temp 61-79 | Temp 80+ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Road | 14.31 | 13.34 | 13.67 | 8.45 | 13.18 | 15.15 | 10.66 | 0.00 | 14.14 | 13.53 | 12.69 |
| Home | 15.87 | 15.63 | 17.49 | 15.90 | 18.04 | 17.84 | 17.14 | 0.00 | 12.96 | 15.96 | 19.30 |
