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| "J" Pitching Register | |
| Batting Register | Pitching Glossary |
| Player | From-To | W | L | Pct | ERA | G | GS | CG | SHO | SV | IP | H | ER | HR | BB | SO |
| David Jackson | 2016-2017 | 2 | 6 | .250 | 8.39 | 60 | 0 | 0 | 0 | 2 | 68.7 | 113 | 64 | 16 | 42 | 28 |
| Frank Jackson | 2009-2019 | 63 | 64 | .496 | 4.62 | 230 | 169 | 2 | 1 | 1 | 1041.9 | 1167 | 535 | 111 | 345 | 470 |
| Patrick Jackson | 2001-2001 | 1 | 3 | .250 | 7.06 | 11 | 4 | 0 | 0 | 1 | 29.3 | 34 | 23 | 4 | 15 | 18 |
| Robert Jackson | 2003-2004 | 1 | 3 | .250 | 9.82 | 7 | 7 | 0 | 0 | 0 | 33.0 | 48 | 36 | 7 | 25 | 13 |
| Wallace Jackson | 2007-2011 | 17 | 25 | .405 | 4.13 | 333 | 0 | 0 | 0 | 29 | 474.7 | 537 | 218 | 40 | 179 | 485 |
| Thomas Jacques | 2007-2008 | 12 | 10 | .545 | 6.11 | 37 | 35 | 0 | 0 | 1 | 172.4 | 190 | 117 | 38 | 74 | 169 |
| Kousuke Jakuchu | 2024-2025 | 4 | 5 | .444 | 3.23 | 74 | 0 | 0 | 0 | 5 | 94.7 | 82 | 34 | 11 | 37 | 58 |
| Edward James | 2015-2025 | 148 | 118 | .556 | 3.29 | 369 | 369 | 18 | 7 | 0 | 2349.6 | 2193 | 858 | 144 | 816 | 1895 |
| Martin James | 2018-2018 | 1 | 16 | .059 | 10.21 | 18 | 18 | 1 | 0 | 0 | 76.7 | 127 | 87 | 23 | 39 | 40 |
| Reginald James | 2007-2012 | 23 | 21 | .523 | 4.72 | 346 | 1 | 0 | 0 | 33 | 510.6 | 593 | 268 | 34 | 209 | 196 |
| Scott Janke | 2001-2013 | 49 | 47 | .510 | 4.80 | 665 | 3 | 0 | 0 | 48 | 916.6 | 961 | 489 | 164 | 331 | 615 |
| Ralph Janson | 2001-2012 | 69 | 57 | .548 | 2.70 | 791 | 3 | 0 | 0 | 314 | 1019.5 | 634 | 306 | 91 | 341 | 624 |
| Bernard Jelks | 2001-2008 | 10 | 13 | .435 | 5.60 | 198 | 0 | 0 | 0 | 12 | 326.4 | 362 | 203 | 42 | 178 | 231 |
| Nathan Jellison | 2001-2004 | 2 | 8 | .200 | 8.13 | 18 | 12 | 0 | 0 | 1 | 68.6 | 101 | 62 | 3 | 34 | 57 |
| Ralph Jenkins | 2001-2005 | 22 | 56 | .282 | 7.01 | 104 | 101 | 5 | 1 | 0 | 578.7 | 759 | 451 | 97 | 316 | 545 |
| Kenneth Jennings | 2001-2007 | 39 | 27 | .591 | 4.35 | 493 | 2 | 0 | 0 | 24 | 591.6 | 608 | 286 | 61 | 234 | 406 |
| Larry Jenny | 2001-2005 | 12 | 16 | .429 | 5.94 | 303 | 0 | 0 | 0 | 8 | 434.9 | 560 | 287 | 50 | 202 | 300 |
| Buddy Jensen | 2010-2014 | 5 | 8 | .385 | 6.49 | 17 | 16 | 0 | 0 | 0 | 87.3 | 117 | 63 | 9 | 39 | 87 |
| John Jensen | 2012-2016 | 4 | 7 | .364 | 6.41 | 24 | 16 | 0 | 0 | 2 | 85.7 | 108 | 61 | 6 | 54 | 36 |
| William Jewell | 2002-2009 | 17 | 50 | .254 | 7.18 | 91 | 90 | 5 | 4 | 0 | 426.0 | 586 | 340 | 55 | 199 | 297 |
| Rickey Jimison | 2010-2022 | 79 | 62 | .560 | 3.89 | 798 | 0 | 0 | 0 | 178 | 1110.3 | 1053 | 480 | 211 | 170 | 882 |
| Brent Johns | 2022-2025 | 34 | 34 | .500 | 5.11 | 132 | 102 | 6 | 3 | 5 | 636.0 | 762 | 361 | 88 | 246 | 290 |
| Christopher Johnson | 2001-2018 | 233 | 151 | .607 | 3.55 | 595 | 593 | 6 | 5 | 0 | 3479.7 | 3302 | 1373 | 320 | 715 | 2060 |
| David Johnson | 2001-2004 | 15 | 19 | .441 | 4.75 | 227 | 0 | 0 | 0 | 10 | 306.9 | 318 | 162 | 41 | 130 | 142 |
| David Johnson | 2019-2025 | 72 | 45 | .615 | 4.14 | 170 | 166 | 18 | 4 | 0 | 1076.0 | 1205 | 495 | 78 | 187 | 328 |
| David Johnson | 2002-2003 | 2 | 5 | .286 | 5.63 | 29 | 9 | 0 | 0 | 2 | 78.3 | 94 | 49 | 14 | 40 | 45 |
| Vince Johnson | 2014-2025 | 31 | 29 | .517 | 4.92 | 594 | 0 | 0 | 0 | 37 | 715.0 | 753 | 391 | 60 | 413 | 682 |
| William Johnson | 2001-2008 | 13 | 20 | .394 | 4.62 | 387 | 0 | 0 | 0 | 12 | 518.6 | 488 | 266 | 91 | 257 | 235 |
| William Johnson | 2009-2009 | 1 | 0 | 1.000 | 13.71 | 18 | 0 | 0 | 0 | 1 | 21.0 | 41 | 32 | 4 | 11 | 11 |
| Zachary Johnson | 2001-2002 | 11 | 4 | .733 | 3.75 | 109 | 0 | 0 | 0 | 32 | 117.7 | 118 | 49 | 14 | 59 | 90 |
| Player | From-To | W | L | Pct | ERA | G | GS | CG | SHO | SV | IP | H | ER | HR | BB | SO |
| Bruce Johnston | 2004-2017 | 19 | 34 | .358 | 7.06 | 501 | 1 | 0 | 0 | 26 | 555.6 | 669 | 436 | 107 | 419 | 431 |
| Lucius Johnston | 2011-2024 | 161 | 157 | .506 | 3.99 | 479 | 479 | 5 | 2 | 0 | 2700.0 | 2634 | 1198 | 234 | 962 | 2402 |
| Tony Johnstone | 2008-2014 | 16 | 80 | .167 | 6.12 | 120 | 120 | 7 | 0 | 0 | 689.7 | 802 | 469 | 110 | 353 | 234 |
| Daniel Jones | 2001-2002 | 6 | 3 | .667 | 7.46 | 90 | 0 | 0 | 0 | 1 | 89.3 | 113 | 74 | 10 | 37 | 49 |
| Danilo Jones | 2001-2009 | 140 | 47 | .749 | 3.59 | 226 | 225 | 53 | 15 | 0 | 1711.6 | 1580 | 682 | 168 | 623 | 947 |
| Dave Jones | 2020-2025 | 13 | 7 | .650 | 3.50 | 193 | 0 | 0 | 0 | 18 | 280.3 | 258 | 109 | 9 | 192 | 220 |
| George Jones | 2014-2016 | 2 | 24 | .077 | 9.86 | 30 | 30 | 0 | 0 | 0 | 133.3 | 209 | 146 | 32 | 100 | 69 |
| Ryan Jones | 2010-2019 | 25 | 23 | .521 | 6.23 | 405 | 1 | 0 | 0 | 30 | 550.3 | 672 | 381 | 114 | 325 | 273 |
| Greg Jordan | 2016-2025 | 101 | 93 | .521 | 4.06 | 265 | 259 | 33 | 9 | 1 | 1735.3 | 1591 | 783 | 185 | 962 | 1350 |
| Charles Jorgensen | 2006-2006 | 1 | 1 | .500 | 5.88 | 33 | 0 | 0 | 0 | 3 | 41.3 | 56 | 27 | 9 | 20 | 29 |
| Richard Joseph | 2016-2016 | 2 | 0 | 1.000 | 4.38 | 24 | 0 | 0 | 0 | 4 | 37.0 | 34 | 18 | 8 | 20 | 18 |
| Lloyd Jowett | 2022-2023 | 0 | 0 | .000 | 1.80 | 14 | 0 | 0 | 0 | 2 | 20.0 | 13 | 4 | 0 | 9 | 10 |
| Rickie Jozwiak | 2020-2025 | 74 | 51 | .592 | 4.06 | 168 | 168 | 14 | 6 | 0 | 1086.7 | 1114 | 490 | 76 | 296 | 1029 |
| Ballas Juan | 2024-2024 | 3 | 4 | .429 | 4.56 | 38 | 0 | 0 | 0 | 0 | 53.3 | 56 | 27 | 8 | 25 | 30 |
| Enrique Juarez | 2024-2025 | 10 | 13 | .435 | 6.91 | 30 | 30 | 4 | 0 | 0 | 170.7 | 211 | 131 | 32 | 90 | 74 |
| Rafael Juarez | 2012-2022 | 25 | 17 | .595 | 4.36 | 298 | 0 | 0 | 0 | 23 | 386.0 | 323 | 187 | 24 | 213 | 281 |
| Jacob Juneau | 2015-2016 | 4 | 4 | .500 | 7.78 | 56 | 0 | 0 | 0 | 1 | 76.3 | 120 | 66 | 11 | 37 | 42 |
47 Players | ||||||||||||||||
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