#0 - Relief Pitcher
| Bats / Throws | Left / Left |
| Date of Birth | 7/22/1988 (37) |
| Height, Weight | 6'2", 195 lb |
| Hometown | Seoul, KOR |
| Sv | IP | ERA | WHIP | K% | BB% | ||
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| 1 | 106.2 | 3.46 | 1.28 | 17.7% | 8.6% | ||
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| FB MPH | SwStr% | CSW% | Str-ICR | MTK% | PLV | PLA | ||
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| 89.1 | 9.7% | 27.3% | 48.7% | 4.8% | 4.95 | 3.74 | ||
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| Year | Team | G | GS | IP | W-L | Sv | Hld | ERA | WHIP | xERA | FIP | xFIP | PLA | K% | BB% | H/9 | HR/9 | BABIP | HR/FB% | LOB% | ICR | GB% | SwStr% | CSW% | IPR | PLV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | STL | 8 | 7 | 39.0 | 3-0 | 1 | 0 | 1.62 | 1.03 | 4.04 | 3.88 | 4.77 | 2.39 | 15.6% | 7.8% | 6.5 | 0.69 | .217 | 11.5% | 86.6% | 33.1% | 51.7% | 8.3% | 26.8% | 0.43 | 4.98 |
| 2021 | STL | 27 | 21 | 106.2 | 7-7 | 1 | 0 | 3.46 | 1.28 | 4.06 | 4.35 | 4.86 | 3.74 | 17.7% | 8.6% | 8.3 | 1.01 | .273 | 15.4% | 76.5% | 35.3% | 48.6% | 9.7% | 27.3% | 0.41 | 4.95 |
| RP MLB Percentile | - | - | - | --- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| RP MLB AVG | - | - | - | --- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Career | 35 | 28 | 145.2 | 10-7 | 2 | 0 | 2.97 | 1.22 | 4.05 | 4.22 | 4.83 | 3.38 | 17.2% | 8.4% | 7.8 | 0.93 | .258 | 14.4% | 78.8% | 34.7% | 49.4% | 9.3% | 27.2% | 0.41 | 4.96 | |
| Year | Team | G | GS | IP | W-L | QS | Sv | Hld | P | Strikes | Balls | TBF | H | 1B | 2B | 3B | HR | K | BB | HB | WP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | STL | 8 | 7 | 39.0 | 3-0 | 3 | 1 | 0 | 613 | 391 | 222 | 154 | 28 | 16 | 9 | 0 | 3 | 24 | 12 | 0 | 1 |
| 2021 | STL | 27 | 21 | 106.2 | 7-7 | 5 | 1 | 0 | 1,784 | 1,100 | 684 | 452 | 98 | 70 | 15 | 1 | 12 | 80 | 39 | 4 | 4 |
| RP MLB Percentile | - | - | - | --- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| RP MLB AVG | - | - | - | --- | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Career | 35 | 28 | 145.2 | 10-7 | 8 | 2 | 0 | 2,397 | 1,491 | 906 | 606 | 126 | 86 | 24 | 1 | 15 | 104 | 51 | 4 | 5 | |
| Year | Team | K% | BB% | AVG | SLG | OPS | wOBA | BABIP | BACON | xAVG | xwOBA | xBABIP | xwoBACON | EV | FB EV | LA | xERA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | STL | 15.6% | 7.8% | .197 | .324 | .584 | .251 | .217 | .237 | .247 | .295 | .280 | .321 | 87.1 | 83.4 | 7.7 | 4.04 |
| 2021 | STL | 17.7% | 8.6% | .242 | .373 | .686 | .300 | .273 | .300 | .240 | .306 | .268 | .330 | 87.4 | 91.3 | 8.5 | 4.06 |
| RP MLB Percentile | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| RP MLB AVG | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Career | 17.2% | 8.4% | .230 | .360 | .660 | .289 | .258 | .283 | .242 | .304 | .271 | .328 | 87.3 | 89.3 | 8.3 | 4.05 | |
| Year | Team | FF% (MPH) | SI% (MPH) | FC% (MPH) | SL% (MPH) | ST% (MPH) | CB% (MPH) | CH% (MPH) | FS% (MPH) | KN% (MPH) | Fastball% | Secondary% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | STL | 48.5% (89.9) | - | - | 31.6% (83.1) | - | 11.4% (70.1) | 8.5% (80.3) | - | - | 48.5% | 51.5% |
| 2021 | STL | 41.5% (89.1) | 0.3% (88.9) | - | 37.4% (83.5) | - | 8.9% (69.7) | 11.8% (80.4) | - | - | 41.9% | 58.1% |
| RP MLB Percentile | - | - | - | - | - | - | - | - | - | - | - | |
| RP MLB AVG | - (-) | - (-) | - (-) | - (-) | - (-) | - (-) | - (-) | - (-) | - (-) | - | - | |
| Career | 43.3% (89.3) | 0.3% (88.9) | - | 35.9% (83.4) | - | 9.5% (69.8) | 11.0% (80.4) | - | - | 43.6% | 56.4% | |
| Year | Team | FF CSW% | SI CSW% | FC CSW% | SL CSW% | ST CSW% | CB CSW% | CH CSW% | FS CSW% | KN CSW% | Fastball CSW% | Secondary CSW% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | STL | 25.6% (17) | - | - | 26.8% (22) | - | 35.7% (4) | 21.2% (8) | - | - | 25.6% | 27.8% |
| 2021 | STL | 24.8% (32) | 0.0% (0) | - | 29.2% (93) | - | 36.1% (19) | 24.2% (29) | - | - | 24.6% | 29.2% |
| RP MLB Percentile | - | - | - | - | - | - | - | - | - | - | - | |
| RP MLB AVG | - (-) | - (-) | - (-) | - (-) | - (-) | - (-) | - (-) | - (-) | - (-) | - | - | |
| Career | 25.0% (49) | 0.0% (0) | - | 28.7% (115) | - | 36.0% (23) | 23.6% (37) | - | - | 24.9% | 28.9% | |
| Year | Team | GB% | LD% | FB% | PU% | SS% | Pull% | Cent% | Oppo% | Foul Str% | PC% | Fl&B% | Solid% | Brl% | ICR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | STL | 51.7% | 22.0% | 22.0% | 4.2% | 33.1% | 39.8% | 36.4% | 23.7% | 17.8% | 66.9% | 25.4% | 4.2% | 3.4% | 33.1% |
| 2021 | STL | 48.6% | 21.3% | 23.7% | 6.4% | 34.0% | 39.2% | 40.4% | 20.4% | 15.9% | 64.8% | 22.5% | 6.7% | 6.1% | 35.3% |
| RP MLB Percentile | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| RP MLB AVG | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Career | 49.4% | 21.5% | 23.3% | 5.8% | 33.8% | 39.4% | 39.4% | 21.3% | 16.4% | 65.3% | 23.3% | 6.0% | 5.4% | 34.7% | |
| Year | Team | AVG | wOBA | BABIP | BACON | xAVG | xwOBA | xBABIP | xwoBACON | EV | FB EV | LA | HR/FB | ICR | IPA% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | STL | .197 | .251 | .217 | .237 | .247 | .295 | .280 | .321 | 87.1 | 83.4 | 7.7 | 11.5% | 33.1% | 25.3% |
| 2021 | STL | .242 | .300 | .273 | .300 | .240 | .306 | .268 | .330 | 87.4 | 91.3 | 8.5 | 15.4% | 35.3% | 25.7% |
| RP MLB Percentile | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| RP MLB AVG | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Career | .230 | .289 | .258 | .283 | .242 | .304 | .271 | .328 | 87.3 | 89.3 | 8.3 | 14.4% | 34.7% | 25.6% | |
| Year | Team | Zone% | Str% | Swing% | O-Sw% | Whiff% | Foul Str% | Con% | Z-Con% | O-Con% | CS% | SwStr% | CSW% | BIP% | PLUS% | IPR | Str-ICR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | STL | 44.9% | 63.8% | 45.4% | 29.9% | 18.3% | 17.8% | 81.7% | 92.1% | 63.4% | 18.4% | 8.3% | 26.8% | 19.2% | 59.2% | 0.43 | 51.1% |
| 2021 | STL | 43.4% | 61.7% | 44.1% | 27.6% | 22.0% | 15.9% | 78.0% | 86.2% | 63.1% | 17.6% | 9.7% | 27.3% | 18.4% | 56.2% | 0.41 | 48.7% |
| RP MLB Percentile | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| RP MLB AVG | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Career | 43.8% | 62.2% | 44.4% | 28.2% | 21.1% | 16.4% | 78.9% | 87.7% | 63.2% | 17.8% | 9.3% | 27.2% | 18.6% | 56.9% | 0.41 | 49.3% | |
| Year | Team | Zone% | aLoc% | x-mLoc% | gLoc% | hiLoc% | y-mLoc% | loLoc% | iLoc% | oLoc% | mmLoc% |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | STL | 44.9% | 35.6% | 21.4% | 43.1% | 26.9% | 23.8% | 49.3% | 31.2% | 47.5% | 4.7% |
| 2021 | STL | 43.4% | 40.4% | 24.5% | 35.1% | 25.5% | 26.0% | 48.5% | 23.4% | 52.0% | 6.2% |
| RP MLB Percentile | - | - | - | - | - | - | - | - | - | - | |
| RP MLB AVG | - | - | - | - | - | - | - | - | - | - | |
| Career | 43.8% | 39.2% | 23.7% | 37.1% | 25.8% | 25.5% | 48.7% | 25.4% | 50.9% | 5.8% | |
| Year | Team | Early% | Behind% | 2-Str% | Early BIP% | F-Str% | TF-Str% | ECS% | 2-Str O-Sw% | PAR% |
|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | STL | 59.7% | 10.4% | 30.2% | 14.8% | 56.1% | 47.7% | 24.0% | 24.3% | 13.0% |
| 2021 | STL | 58.5% | 13.2% | 28.5% | 14.3% | 60.1% | 48.5% | 23.5% | 28.1% | 15.7% |
| RP MLB Percentile | - | - | - | - | - | - | - | - | - | |
| RP MLB AVG | - | - | - | - | - | - | - | - | - | |
| Career | 58.8% | 12.5% | 29.0% | 14.4% | 59.1% | 48.3% | 23.6% | 27.1% | 15.0% | |
| Year | Team | P | PLV | QP% | AP% | BP% | Q-BP% | MTK% | HP | HL | PLA |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | STL | 613 | 4.98 | 42.2% | 17.5% | 40.4% | 1.8% | 5.4% | -0.6 | 0 | 2.39 |
| 2021 | STL | 1,784 | 4.95 | 44.1% | 17.3% | 38.5% | 5.6% | 4.8% | 2.8 | +15 | 3.74 |
| RP MLB Percentile | - | - | - | - | - | - | - | - | - | - | |
| RP MLB AVG | - | - | - | - | - | - | - | - | - | - | |
| Career | 2,397 | 4.96 | 43.7% | 17.4% | 38.9% | 4.8% | 4.9% | 2.3 | +14 | 3.38 | |