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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Player | From-To | W | L | Pct | ERA | G | GS | CG | SHO | SV | IP | H | ER | HR | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jimmy Yacabonis | 2019-2019 | 5 | 1 | .833 | 4.88 | 68 | 0 | 0 | 0 | 2 | 90.1 | 116 | 49 | 9 | 41 | 82 |
| Jake Yacinich | 2015-2015 | 5 | 3 | .625 | 3.14 | 12 | 12 | 0 | 0 | 0 | 83.0 | 74 | 29 | 3 | 45 | 81 |
| Shun Yamaguchi | 2020-2021 | 7 | 4 | .636 | 4.46 | 24 | 17 | 1 | 1 | 0 | 111.0 | 96 | 55 | 16 | 54 | 96 |
| Jordan Yamamoto | 2015-2021 | 19 | 25 | .432 | 4.57 | 92 | 50 | 2 | 1 | 0 | 362.0 | 355 | 184 | 54 | 159 | 299 |
| Yoshinobu Yamamoto | 2024-2026 | 29 | 32 | .475 | 3.61 | 92 | 92 | 0 | 0 | 0 | 555.1 | 482 | 223 | 63 | 125 | 541 |
| Robinson Yambati | 2012-2012 | 0 | 0 | .000 | 0.00 | 2 | 0 | 0 | 0 | 0 | 2.0 | 1 | 0 | 0 | 0 | 1 |
| Ryan Yarbrough | 2015-2026 | 20 | 24 | .455 | 4.53 | 185 | 43 | 0 | 0 | 3 | 455.1 | 473 | 229 | 73 | 124 | 347 |
| Mike Yastrzemski | 2020-2026 | 0 | 0 | .000 | 108.00 | 1 | 0 | 0 | 0 | 0 | 0.1 | 2 | 4 | 2 | 2 | 0 |
| Kirby Yates | 2018-2026 | 28 | 20 | .583 | 4.22 | 362 | 0 | 0 | 0 | 52 | 360.0 | 283 | 169 | 52 | 150 | 460 |
| Tyler Ybarra | 2010-2012 | 2 | 1 | .667 | 3.90 | 34 | 0 | 0 | 0 | 0 | 32.1 | 30 | 14 | 0 | 13 | 19 |
| Eddy Yean | 2026-2026 | 0 | 1 | .000 | 11.42 | 8 | 0 | 0 | 0 | 0 | 8.2 | 15 | 11 | 1 | 3 | 9 |
| Gabriel Ynoa | 2012-2018 | 10 | 19 | .345 | 5.24 | 37 | 37 | 1 | 0 | 0 | 207.2 | 251 | 121 | 27 | 84 | 101 |
| Huascar Ynoa | 2020-2024 | 12 | 28 | .300 | 3.87 | 86 | 42 | 0 | 0 | 0 | 298.0 | 247 | 128 | 33 | 114 | 253 |
| Michael Ynoa | 2010-2014 | 2 | 5 | .286 | 6.32 | 35 | 9 | 0 | 0 | 0 | 62.2 | 71 | 44 | 10 | 35 | 27 |
| Suk-Min Yoon | 2014-2014 | 5 | 3 | .625 | 4.01 | 11 | 11 | 1 | 0 | 0 | 74.0 | 66 | 33 | 6 | 20 | 77 |
| Alex Young | 2021-2021 | 3 | 4 | .429 | 3.35 | 32 | 10 | 0 | 0 | 1 | 107.1 | 99 | 40 | 5 | 34 | 73 |
| Chesny Young | 2015-2015 | 2 | 2 | .500 | 3.48 | 12 | 6 | 0 | 0 | 0 | 54.1 | 47 | 21 | 2 | 35 | 49 |
| Chris Young | 2004-2016 | 87 | 99 | .468 | 4.43 | 332 | 248 | 8 | 2 | 1 | 1615.1 | 1589 | 796 | 207 | 700 | 1520 |
| Chris M. Young | 2006-2006 | 9 | 14 | .391 | 4.27 | 31 | 31 | 1 | 1 | 0 | 179.0 | 191 | 85 | 26 | 55 | 163 |
| Madison Younginer | 2010-2012 | 11 | 10 | .524 | 2.73 | 32 | 29 | 0 | 0 | 0 | 178.1 | 132 | 54 | 5 | 73 | 80 |
