
Ryan Zeferjahn
Chicago CubsP
Age: 28
Bats/Throws: R/R
6'5" / 209
DOB: 2/28/1998
(28 years, 7 months, 2 days)
P
Splits
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Standard
| Season | Handedness | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | vs L | 30.1 | - - - | 138 | 23 | 3 | 1 | 22 | 21 | 5 | 21 | 4 | 4 | 41 | .207 | .350 | .387 | .322 |
| 2026 | vs R | 39.1 | - - - | 166 | 26 | 6 | 0 | 11 | 9 | 2 | 19 | 1 | 5 | 53 | .186 | .303 | .271 | .268 |
| Season | Home / Away | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Home | 37.2 | 4.54 | 171 | 27 | 6 | 0 | 20 | 19 | 4 | 25 | 4 | 8 | 54 | .197 | .353 | .328 | .310 |
| 2026 | Away | 32.0 | 3.09 | 133 | 22 | 3 | 1 | 13 | 11 | 3 | 15 | 1 | 1 | 40 | .193 | .288 | .316 | .270 |
| 2026 | Home vs L | 16.2 | - - - | 77 | 12 | 2 | 0 | 14 | 14 | 3 | 12 | 3 | 3 | 23 | .197 | .355 | .377 | .320 |
| 2026 | Home vs R | 21.0 | - - - | 94 | 15 | 4 | 0 | 6 | 5 | 1 | 13 | 1 | 5 | 31 | .197 | .351 | .289 | .301 |
| 2026 | Away vs L | 13.2 | - - - | 61 | 11 | 1 | 1 | 8 | 7 | 2 | 9 | 1 | 1 | 18 | .220 | .344 | .400 | .325 |
| 2026 | Away vs R | 18.1 | - - - | 72 | 11 | 2 | 0 | 5 | 4 | 1 | 6 | 0 | 0 | 22 | .172 | .239 | .250 | .224 |
| Season | Monthly | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Mar/Apr | 16.1 | 5.51 | 70 | 11 | 4 | 1 | 11 | 10 | 0 | 8 | 0 | 2 | 21 | .186 | .300 | .288 | .272 |
| 2026 | May | 9.1 | 6.75 | 49 | 7 | 0 | 0 | 8 | 7 | 3 | 10 | 2 | 4 | 10 | .206 | .438 | .471 | .396 |
| 2026 | Jun | 13.2 | 0.66 | 55 | 3 | 1 | 0 | 1 | 1 | 0 | 12 | 1 | 0 | 23 | .070 | .273 | .093 | .199 |
| 2026 | Jul | 10.2 | 2.53 | 43 | 7 | 1 | 0 | 3 | 3 | 2 | 2 | 0 | 2 | 17 | .179 | .256 | .359 | .274 |
| 2026 | Aug | 11.0 | 4.91 | 50 | 13 | 1 | 0 | 7 | 6 | 2 | 4 | 1 | 1 | 13 | .302 | .367 | .465 | .356 |
| 2026 | Sept/Oct | 8.2 | 3.12 | 37 | 8 | 2 | 0 | 3 | 3 | 0 | 4 | 1 | 0 | 10 | .242 | .324 | .303 | .277 |
| 2026 | 1st Half | 44.0 | 3.89 | 192 | 23 | 5 | 1 | 21 | 19 | 4 | 31 | 3 | 7 | 61 | .151 | .319 | .276 | .278 |
| 2026 | 2nd Half | 25.2 | 3.86 | 112 | 26 | 4 | 0 | 12 | 11 | 3 | 9 | 2 | 2 | 33 | .263 | .333 | .394 | .316 |
| Season | Leverage | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Low Leverage | 34.1 | - - - | 146 | 25 | 5 | 0 | 8 | 7 | 3 | 16 | 0 | 3 | 49 | .198 | .301 | .310 | .280 |
| 2026 | Medium Leverage | 16.2 | - - - | 82 | 16 | 4 | 0 | 12 | 12 | 2 | 13 | 0 | 3 | 22 | .242 | .390 | .394 | .357 |
| 2026 | High Leverage | 18.2 | - - - | 76 | 8 | 0 | 1 | 13 | 11 | 2 | 11 | 5 | 3 | 23 | .136 | .297 | .271 | .239 |
| Season | Situational | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Bases Empty | 33.0 | - - - | 147 | 26 | 4 | 0 | 4 | 4 | 4 | 16 | 0 | 6 | 43 | .208 | .327 | .336 | .305 |
| 2026 | Men on Base | 36.2 | - - - | 157 | 23 | 5 | 1 | 29 | 26 | 3 | 24 | 5 | 3 | 51 | .183 | .323 | .310 | .280 |
| 2026 | Men In Scoring | 20.2 | - - - | 92 | 16 | 3 | 1 | 24 | 21 | 0 | 15 | 5 | 1 | 26 | .222 | .356 | .292 | .280 |
| Season | Through Count | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Through 3 - 0 | 2.0 | - - - | 27 | 1 | 0 | 0 | 0 | 0 | 0 | 19 | 5 | 1 | 1 | .143 | .778 | .143 | .518 |
| 2026 | Through 3 - 1 | 4.2 | - - - | 28 | 2 | 1 | 0 | 2 | 2 | 1 | 12 | 0 | 0 | 6 | .125 | .500 | .375 | .417 |
| 2026 | Through 3 - 2 | 10.1 | - - - | 61 | 12 | 4 | 0 | 6 | 6 | 3 | 18 | 0 | 0 | 19 | .279 | .492 | .581 | .462 |
| 2026 | Through 2 - 0 | 8.0 | - - - | 57 | 6 | 1 | 0 | 6 | 6 | 1 | 26 | 5 | 2 | 11 | .207 | .596 | .345 | .442 |
| 2026 | Through 1 - 0 | 25.0 | - - - | 130 | 18 | 4 | 0 | 13 | 13 | 3 | 32 | 5 | 5 | 32 | .196 | .423 | .337 | .348 |
| 2026 | Through 2 - 1 | 14.0 | - - - | 72 | 13 | 3 | 0 | 8 | 8 | 2 | 17 | 0 | 0 | 23 | .241 | .423 | .407 | .379 |
| 2026 | Through 1 - 1 | 31.2 | - - - | 129 | 20 | 4 | 0 | 12 | 12 | 3 | 11 | 0 | 3 | 48 | .177 | .268 | .292 | .257 |
| 2026 | Through 0 - 1 | 40.0 | - - - | 157 | 28 | 4 | 1 | 16 | 13 | 3 | 8 | 0 | 3 | 62 | .196 | .252 | .301 | .248 |
| 2026 | Through 2 - 2 | 23.1 | - - - | 100 | 15 | 6 | 0 | 7 | 7 | 2 | 14 | 0 | 1 | 44 | .176 | .300 | .318 | .284 |
| 2026 | Through 1 - 2 | 30.1 | - - - | 108 | 13 | 4 | 0 | 7 | 7 | 3 | 4 | 0 | 1 | 59 | .126 | .167 | .252 | .186 |
| 2026 | Through 0 - 2 | 17.1 | - - - | 63 | 8 | 2 | 0 | 4 | 3 | 1 | 3 | 0 | 1 | 35 | .136 | .190 | .220 | .188 |
| Season | SP / RP | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | As Reliever | 69.2 | 3.88 | 304 | 49 | 9 | 1 | 33 | 30 | 7 | 40 | 5 | 9 | 94 | .195 | .325 | .323 | .292 |
| Season | Shifts | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | No Shift | 9.0 | - - - | 45 | 17 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .386 | .378 | .477 | .369 |
| 2026 | Shift - All | 27.0 | - - - | 108 | 25 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .236 | .234 | .302 | .232 |
| 2026 | Shift - Traditional | 25.1 | - - - | 97 | 21 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .216 | .216 | .278 | .215 |
| 2026 | Shift - Non Traditional | 1.2 | - - - | 11 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .444 | .400 | .556 | .393 |
| Season | TTO | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | 1st Through Order as RP | 69.2 | 3.88 | 304 | 49 | 9 | 1 | 33 | 30 | 7 | 40 | 5 | 9 | 94 | .195 | .325 | .323 | .292 |
| Season | Handedness | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | vs L | 30.1 | - - - | 138 | 23 | 3 | 1 | 22 | 21 | 5 | 21 | 4 | 4 | 41 | .207 | .350 | .387 | .322 |
| 2026 | vs R | 39.1 | - - - | 166 | 26 | 6 | 0 | 11 | 9 | 2 | 19 | 1 | 5 | 53 | .186 | .303 | .271 | .268 |
| Season | Home / Away | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Home | 37.2 | 4.54 | 171 | 27 | 6 | 0 | 20 | 19 | 4 | 25 | 4 | 8 | 54 | .197 | .353 | .328 | .310 |
| 2026 | Away | 32.0 | 3.09 | 133 | 22 | 3 | 1 | 13 | 11 | 3 | 15 | 1 | 1 | 40 | .193 | .288 | .316 | .270 |
| 2026 | Home vs L | 16.2 | - - - | 77 | 12 | 2 | 0 | 14 | 14 | 3 | 12 | 3 | 3 | 23 | .197 | .355 | .377 | .320 |
| 2026 | Home vs R | 21.0 | - - - | 94 | 15 | 4 | 0 | 6 | 5 | 1 | 13 | 1 | 5 | 31 | .197 | .351 | .289 | .301 |
| 2026 | Away vs L | 13.2 | - - - | 61 | 11 | 1 | 1 | 8 | 7 | 2 | 9 | 1 | 1 | 18 | .220 | .344 | .400 | .325 |
| 2026 | Away vs R | 18.1 | - - - | 72 | 11 | 2 | 0 | 5 | 4 | 1 | 6 | 0 | 0 | 22 | .172 | .239 | .250 | .224 |
| Season | Monthly | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Mar/Apr | 16.1 | 5.51 | 70 | 11 | 4 | 1 | 11 | 10 | 0 | 8 | 0 | 2 | 21 | .186 | .300 | .288 | .272 |
| 2026 | May | 9.1 | 6.75 | 49 | 7 | 0 | 0 | 8 | 7 | 3 | 10 | 2 | 4 | 10 | .206 | .438 | .471 | .396 |
| 2026 | Jun | 13.2 | 0.66 | 55 | 3 | 1 | 0 | 1 | 1 | 0 | 12 | 1 | 0 | 23 | .070 | .273 | .093 | .199 |
| 2026 | Jul | 10.2 | 2.53 | 43 | 7 | 1 | 0 | 3 | 3 | 2 | 2 | 0 | 2 | 17 | .179 | .256 | .359 | .274 |
| 2026 | Aug | 11.0 | 4.91 | 50 | 13 | 1 | 0 | 7 | 6 | 2 | 4 | 1 | 1 | 13 | .302 | .367 | .465 | .356 |
| 2026 | Sept/Oct | 8.2 | 3.12 | 37 | 8 | 2 | 0 | 3 | 3 | 0 | 4 | 1 | 0 | 10 | .242 | .324 | .303 | .277 |
| 2026 | 1st Half | 44.0 | 3.89 | 192 | 23 | 5 | 1 | 21 | 19 | 4 | 31 | 3 | 7 | 61 | .151 | .319 | .276 | .278 |
| 2026 | 2nd Half | 25.2 | 3.86 | 112 | 26 | 4 | 0 | 12 | 11 | 3 | 9 | 2 | 2 | 33 | .263 | .333 | .394 | .316 |
| Season | Leverage | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Low Leverage | 34.1 | - - - | 146 | 25 | 5 | 0 | 8 | 7 | 3 | 16 | 0 | 3 | 49 | .198 | .301 | .310 | .280 |
| 2026 | Medium Leverage | 16.2 | - - - | 82 | 16 | 4 | 0 | 12 | 12 | 2 | 13 | 0 | 3 | 22 | .242 | .390 | .394 | .357 |
| 2026 | High Leverage | 18.2 | - - - | 76 | 8 | 0 | 1 | 13 | 11 | 2 | 11 | 5 | 3 | 23 | .136 | .297 | .271 | .239 |
| Season | Situational | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Bases Empty | 33.0 | - - - | 147 | 26 | 4 | 0 | 4 | 4 | 4 | 16 | 0 | 6 | 43 | .208 | .327 | .336 | .305 |
| 2026 | Men on Base | 36.2 | - - - | 157 | 23 | 5 | 1 | 29 | 26 | 3 | 24 | 5 | 3 | 51 | .183 | .323 | .310 | .280 |
| 2026 | Men In Scoring | 20.2 | - - - | 92 | 16 | 3 | 1 | 24 | 21 | 0 | 15 | 5 | 1 | 26 | .222 | .356 | .292 | .280 |
| Season | Through Count | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | Through 3 - 0 | 2.0 | - - - | 27 | 1 | 0 | 0 | 0 | 0 | 0 | 19 | 5 | 1 | 1 | .143 | .778 | .143 | .518 |
| 2026 | Through 3 - 1 | 4.2 | - - - | 28 | 2 | 1 | 0 | 2 | 2 | 1 | 12 | 0 | 0 | 6 | .125 | .500 | .375 | .417 |
| 2026 | Through 3 - 2 | 10.1 | - - - | 61 | 12 | 4 | 0 | 6 | 6 | 3 | 18 | 0 | 0 | 19 | .279 | .492 | .581 | .462 |
| 2026 | Through 2 - 0 | 8.0 | - - - | 57 | 6 | 1 | 0 | 6 | 6 | 1 | 26 | 5 | 2 | 11 | .207 | .596 | .345 | .442 |
| 2026 | Through 1 - 0 | 25.0 | - - - | 130 | 18 | 4 | 0 | 13 | 13 | 3 | 32 | 5 | 5 | 32 | .196 | .423 | .337 | .348 |
| 2026 | Through 2 - 1 | 14.0 | - - - | 72 | 13 | 3 | 0 | 8 | 8 | 2 | 17 | 0 | 0 | 23 | .241 | .423 | .407 | .379 |
| 2026 | Through 1 - 1 | 31.2 | - - - | 129 | 20 | 4 | 0 | 12 | 12 | 3 | 11 | 0 | 3 | 48 | .177 | .268 | .292 | .257 |
| 2026 | Through 0 - 1 | 40.0 | - - - | 157 | 28 | 4 | 1 | 16 | 13 | 3 | 8 | 0 | 3 | 62 | .196 | .252 | .301 | .248 |
| 2026 | Through 2 - 2 | 23.1 | - - - | 100 | 15 | 6 | 0 | 7 | 7 | 2 | 14 | 0 | 1 | 44 | .176 | .300 | .318 | .284 |
| 2026 | Through 1 - 2 | 30.1 | - - - | 108 | 13 | 4 | 0 | 7 | 7 | 3 | 4 | 0 | 1 | 59 | .126 | .167 | .252 | .186 |
| 2026 | Through 0 - 2 | 17.1 | - - - | 63 | 8 | 2 | 0 | 4 | 3 | 1 | 3 | 0 | 1 | 35 | .136 | .190 | .220 | .188 |
| Season | SP / RP | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | As Reliever | 69.2 | 3.88 | 304 | 49 | 9 | 1 | 33 | 30 | 7 | 40 | 5 | 9 | 94 | .195 | .325 | .323 | .292 |
| Season | Shifts | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | No Shift | 9.0 | - - - | 45 | 17 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .386 | .378 | .477 | .369 |
| 2026 | Shift - All | 27.0 | - - - | 108 | 25 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .236 | .234 | .302 | .232 |
| 2026 | Shift - Traditional | 25.1 | - - - | 97 | 21 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .216 | .216 | .278 | .215 |
| 2026 | Shift - Non Traditional | 1.2 | - - - | 11 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .444 | .400 | .556 | .393 |
| Season | TTO | IP | ERA | TBF | H | 2B | 3B | R | ER | HR | BB | IBB | HBP | SO | AVG | OBP | SLG | wOBA |
| 2026 | 1st Through Order as RP | 69.2 | 3.88 | 304 | 49 | 9 | 1 | 33 | 30 | 7 | 40 | 5 | 9 | 94 | .195 | .325 | .323 | .292 |

