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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
|---|---|---|---|---|---|---|---|---|---|
| Jason Jablonski | 2026-2026 | .105 | 1 | 11 | 0 | 0 | 0 | 0.00 | 0 |
| Alberto Jacinto | 2026-2026 | .000 | 0 | 0 | 8 | 5 | 0 | 3.18 | 105 |
| Chris Jackson | 2020-2025 | .219 | 26 | 89 | 0 | 0 | 0 | 0.00 | 0 |
| Isaiah Jackson | 2016-2026 | .285 | 16 | 66 | 0 | 0 | 0 | 0.00 | 0 |
| Matt Jackson | 2017-2021 | .267 | 37 | 124 | 0 | 0 | 0 | 0.00 | 0 |
| Mike Jackson | 2023-2023 | .242 | 3 | 29 | 0 | 0 | 0 | 0.00 | 0 |
| Ralph Jackson | 2023-2023 | .255 | 0 | 2 | 0 | 0 | 0 | 0.00 | 0 |
| Steve Jackson | 2018-2022 | .000 | 0 | 0 | 13 | 7 | 2 | 2.67 | 222 |
| Brian Jacobs | 2020-2026 | .220 | 46 | 121 | 0 | 0 | 0 | 0.00 | 0 |
| Paul Jacobs | 2016-2016 | .000 | 0 | 0 | 2 | 2 | 3 | 2.52 | 53 |
| Matt Jacobson | 2017-2025 | .000 | 0 | 0 | 22 | 26 | 18 | 3.24 | 357 |
| Jorge Jaimes | 2019-2024 | .196 | 6 | 28 | 0 | 0 | 0 | 0.00 | 0 |
| Kyle Jaimes | 2016-2020 | .244 | 37 | 151 | 0 | 0 | 0 | 0.00 | 0 |
| Mike Jamar | 2020-2024 | .258 | 12 | 78 | 0 | 0 | 0 | 0.00 | 0 |
| Chris James | 2016-2023 | .205 | 20 | 85 | 0 | 0 | 0 | 0.00 | 0 |
| Nick James | 2026-2026 | .429 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Ryan James | 2024-2026 | .260 | 16 | 111 | 0 | 0 | 0 | 0.00 | 0 |
| Tim James | 2024-2026 | .000 | 0 | 0 | 9 | 11 | 0 | 2.76 | 236 |
| Xavier James | 2024-2026 | .257 | 18 | 118 | 0 | 0 | 0 | 0.00 | 0 |
| Brent Jameson | 2017-2021 | .216 | 4 | 31 | 0 | 0 | 0 | 0.00 | 0 |
| Mike Janda | 2016-2024 | .204 | 22 | 84 | 0 | 0 | 0 | 0.00 | 0 |
| Nick Janes | 2016-2019 | .257 | 13 | 103 | 0 | 0 | 0 | 0.00 | 0 |
| Chris Jansen | 2025-2026 | .000 | 0 | 0 | 4 | 4 | 14 | 3.74 | 96 |
| Jonathan Jaramillo | 2016-2018 | .292 | 6 | 31 | 0 | 0 | 0 | 0.00 | 0 |
| Jared Jared | 2023-2026 | .278 | 24 | 87 | 0 | 0 | 0 | 0.00 | 0 |
| Josh Jasinski | 2026-2026 | .333 | 1 | 6 | 0 | 0 | 0 | 0.00 | 0 |
| Kyle Jaynes | 2019-2024 | .255 | 30 | 127 | 0 | 0 | 0 | 0.00 | 0 |
| Adrian Jeansonne | 2022-2024 | .000 | 0 | 0 | 2 | 5 | 22 | 3.72 | 95 |
| Jim Jedrzejewski | 2023-2024 | .267 | 12 | 42 | 0 | 0 | 0 | 0.00 | 0 |
| Seth Jeffers | 2020-2023 | .256 | 29 | 154 | 0 | 0 | 0 | 0.00 | 0 |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
| Jim Jeffords | 2025-2026 | .000 | 0 | 0 | 5 | 3 | 5 | 3.46 | 119 |
| Bobby Jenkins | 2017-2023 | .240 | 12 | 70 | 0 | 0 | 0 | 0.00 | 0 |
| Chad Jenkins | 2016-2021 | .000 | 0 | 0 | 24 | 23 | 86 | 3.24 | 428 |
| Chris Jenkins | 2019-2024 | .000 | 0 | 0 | 47 | 19 | 0 | 3.40 | 560 |
| Eddie Jenkins | 2021-2026 | .251 | 30 | 139 | 0 | 0 | 0 | 0.00 | 0 |
| Joe Jennings | 2016-2022 | .000 | 0 | 0 | 41 | 62 | 0 | 3.74 | 647 |
| Addison Jensen | 2025-2026 | .000 | 0 | 0 | 3 | 2 | 0 | 4.45 | 43 |
| Josh Jensen | 2025-2025 | .000 | 0 | 0 | 0 | 0 | 0 | 6.00 | 3 |
| Mike Jensen | 2025-2026 | .000 | 0 | 0 | 9 | 9 | 3 | 3.73 | 128 |
| Chris Jentsch | 2018-2019 | .200 | 2 | 2 | 0 | 0 | 0 | 0.00 | 0 |
| Josh Jeppesen | 2019-2025 | .000 | 0 | 0 | 25 | 13 | 0 | 2.47 | 366 |
| Matthew Jesionowski | 2023-2025 | .000 | 0 | 0 | 6 | 10 | 9 | 3.09 | 135 |
| Adam Jessee | 2021-2026 | .000 | 0 | 0 | 28 | 24 | 0 | 3.13 | 435 |
| Josh Jessen | 2016-2021 | .000 | 0 | 0 | 8 | 7 | 26 | 3.00 | 113 |
| Craig Jewell | 2016-2018 | .000 | 0 | 0 | 7 | 5 | 5 | 3.92 | 67 |
| Brett Jewett | 2021-2022 | .288 | 42 | 152 | 0 | 0 | 0 | 0.00 | 0 |
| Dan Jimenez | 2017-2017 | .230 | 11 | 28 | 0 | 0 | 0 | 0.00 | 0 |
| Ramon Jimenez | 2023-2026 | .000 | 0 | 0 | 14 | 11 | 6 | 4.20 | 215 |
| Ricardo Jimenez | 2023-2023 | .233 | 0 | 2 | 0 | 0 | 0 | 0.00 | 0 |
| Tony Jimenez | 2018-2025 | .178 | 3 | 13 | 0 | 0 | 0 | 0.00 | 0 |
| Jim Johns | 2018-2026 | .231 | 47 | 130 | 0 | 0 | 0 | 0.00 | 0 |
| A.J. Johnson | 2022-2025 | .000 | 0 | 0 | 13 | 19 | 139 | 3.29 | 246 |
| Andre Johnson | 2016-2026 | .235 | 47 | 200 | 0 | 0 | 0 | 0.00 | 0 |
| Anthony Johnson | 2018-2021 | .251 | 15 | 66 | 0 | 0 | 0 | 0.00 | 0 |
| Ben Johnson | 2024-2025 | .236 | 6 | 16 | 0 | 0 | 0 | 0.00 | 0 |
| Bill Johnson | 2026-2026 | .000 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Bret Johnson | 2026-2026 | .174 | 0 | 12 | 0 | 0 | 0 | 0.00 | 0 |
| Casey Johnson | 2022-2026 | .313 | 1 | 7 | 0 | 0 | 0 | 0.00 | 0 |
| Dean Johnson | 2016-2017 | .000 | 0 | 0 | 9 | 10 | 1 | 2.53 | 131 |
| Frank Johnson | 2017-2024 | .244 | 51 | 203 | 0 | 0 | 0 | 0.00 | 0 |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
| George Johnson | 2020-2020 | .000 | 0 | 0 | 0 | 0 | 0 | 2.70 | 14 |
| James Johnson | 2022-2026 | .233 | 5 | 51 | 0 | 0 | 0 | 0.00 | 0 |
| Jeremiah Johnson | 2025-2025 | .000 | 0 | 0 | 1 | 0 | 0 | 4.63 | 7 |
| Jim Johnson | 2026-2026 | .000 | 0 | 0 | 0 | 0 | 1 | 0.00 | 6 |
| Joe Johnson | 2016-2019 | .000 | 0 | 0 | 5 | 2 | 37 | 3.03 | 104 |
| John Johnson | 2022-2026 | .245 | 14 | 141 | 0 | 0 | 0 | 0.00 | 0 |
| John Johnson | 2021-2026 | .275 | 36 | 164 | 0 | 0 | 0 | 0.00 | 0 |
| Justin Johnson | 2021-2026 | .000 | 0 | 0 | 18 | 12 | 2 | 3.05 | 247 |
| Matt Johnson | 2023-2026 | .000 | 0 | 0 | 7 | 8 | 11 | 4.32 | 129 |
| Matt Johnson | 2025-2026 | .000 | 0 | 0 | 13 | 9 | 0 | 3.29 | 169 |
| Mike Johnson | 2023-2026 | .000 | 0 | 0 | 7 | 5 | 0 | 2.84 | 118 |
| Nick Johnson | 2020-2026 | .277 | 2 | 67 | 0 | 0 | 0 | 0.00 | 0 |
| Nick Johnson | 2016-2021 | .223 | 22 | 93 | 0 | 0 | 0 | 0.00 | 0 |
| Nick Johnson | 2016-2017 | .254 | 7 | 30 | 0 | 0 | 0 | 0.00 | 0 |
| Pete Johnson | 2024-2026 | .000 | 0 | 0 | 11 | 15 | 5 | 3.30 | 143 |
| Ricky Johnson | 2026-2026 | .188 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Ron Johnson | 2025-2026 | .199 | 4 | 24 | 0 | 0 | 0 | 0.00 | 0 |
| Ronnie Johnson | 2018-2023 | .215 | 0 | 5 | 0 | 0 | 0 | 0.00 | 0 |
| Sam Johnson | 2016-2021 | .251 | 32 | 99 | 0 | 0 | 0 | 0.00 | 0 |
| Sam Johnson | 2016-2021 | .242 | 49 | 216 | 0 | 0 | 0 | 0.00 | 0 |
| Scott Johnson | 2018-2018 | .000 | 0 | 0 | 1 | 1 | 0 | 2.70 | 12 |
| Scott Johnson | 2017-2017 | .000 | 0 | 0 | 0 | 2 | 0 | 9.82 | 6 |
| Steve Johnson | 2025-2026 | .000 | 0 | 0 | 3 | 3 | 0 | 3.17 | 50 |
| Tim Johnson | 2019-2019 | .289 | 3 | 8 | 0 | 0 | 0 | 0.00 | 0 |
| Tony Johnson | 2022-2025 | .209 | 21 | 93 | 0 | 0 | 0 | 0.00 | 0 |
| Tony Johnson | 2019-2026 | .226 | 18 | 82 | 0 | 0 | 0 | 0.00 | 0 |
| Tyrone Johnson | 2025-2026 | .228 | 8 | 41 | 0 | 0 | 0 | 0.00 | 0 |
| Walt Johnson | 2024-2026 | .217 | 5 | 26 | 0 | 0 | 0 | 0.00 | 0 |
| Will Johnson | 2018-2023 | .266 | 1 | 8 | 0 | 0 | 0 | 0.00 | 0 |
| Jessie Johnston | 2018-2026 | .265 | 18 | 133 | 0 | 0 | 0 | 0.00 | 0 |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
| Mike Johnston | 2020-2026 | .210 | 17 | 60 | 0 | 0 | 0 | 0.00 | 0 |
| Mike Johnston | 2019-2025 | .239 | 8 | 26 | 0 | 0 | 0 | 0.00 | 0 |
| Josh Jolley | 2024-2025 | .224 | 8 | 46 | 0 | 0 | 0 | 0.00 | 0 |
| Adrian Jones | 2021-2023 | .254 | 36 | 122 | 0 | 0 | 0 | 0.00 | 0 |
| Brian Jones | 2020-2025 | .252 | 20 | 54 | 0 | 0 | 0 | 0.00 | 0 |
| Caleb Jones | 2024-2025 | .218 | 24 | 63 | 0 | 0 | 0 | 0.00 | 0 |
| Chris Jones | 2021-2025 | .000 | 0 | 0 | 6 | 12 | 43 | 3.35 | 176 |
| Chris Jones | 2025-2025 | .000 | 0 | 0 | 0 | 0 | 0 | 3.38 | 5 |
| Chris Jones | 2026-2026 | .219 | 2 | 10 | 0 | 0 | 0 | 0.00 | 0 |
| Dave Jones | 2022-2023 | .224 | 2 | 24 | 0 | 0 | 0 | 0.00 | 0 |
| Dusty Jones | 2019-2019 | .000 | 0 | 0 | 0 | 1 | 0 | 5.06 | 5 |
| Eli Jones | 2026-2026 | .000 | 0 | 0 | 3 | 0 | 4 | 1.61 | 21 |
| Eric Jones | 2016-2018 | .221 | 1 | 11 | 0 | 0 | 0 | 0.00 | 0 |
| Jay Jones | 2025-2026 | .000 | 0 | 0 | 4 | 4 | 3 | 3.17 | 98 |
| John Jones | 2016-2023 | .228 | 75 | 281 | 0 | 0 | 0 | 0.00 | 0 |
| Josh Jones | 2018-2024 | .226 | 1 | 21 | 0 | 0 | 0 | 0.00 | 0 |
| Ken Jones | 2016-2016 | .167 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Mike Jones | 2025-2026 | .170 | 1 | 9 | 0 | 0 | 0 | 0.00 | 0 |
| Miles Jones | 2020-2025 | .000 | 0 | 0 | 24 | 18 | 0 | 3.25 | 402 |
| Pat Jones | 2017-2021 | .000 | 0 | 0 | 6 | 11 | 8 | 3.36 | 161 |
| Phil Jones | 2018-2022 | .323 | 12 | 83 | 0 | 0 | 0 | 0.00 | 0 |
| Ryan Jones | 2021-2024 | .000 | 0 | 0 | 20 | 19 | 0 | 3.28 | 366 |
| Roy Joos | 2016-2022 | .260 | 47 | 235 | 0 | 0 | 0 | 0.00 | 0 |
| Bryan Jordan | 2020-2026 | .264 | 31 | 105 | 0 | 0 | 0 | 0.00 | 0 |
| Carlos Jordan | 2026-2026 | .000 | 0 | 0 | 1 | 1 | 0 | 3.99 | 21 |
| Josh Jordan | 2020-2026 | .232 | 3 | 84 | 0 | 0 | 0 | 0.00 | 0 |
| Marco Jorge | 2024-2026 | .244 | 32 | 116 | 0 | 0 | 0 | 0.00 | 0 |
| Justin Jorgensen | 2018-2024 | .234 | 9 | 34 | 0 | 0 | 0 | 45.00 | 2 |
| Ruben Jose | 2022-2025 | .000 | 0 | 0 | 19 | 10 | 1 | 3.38 | 210 |
| David Joseph | 2016-2026 | .000 | 0 | 0 | 9 | 3 | 19 | 2.03 | 101 |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
| Keith Joseph | 2019-2026 | .233 | 58 | 180 | 0 | 0 | 0 | 0.00 | 0 |
| Morgan Joslyn | 2018-2023 | .255 | 13 | 29 | 0 | 0 | 0 | 0.00 | 0 |
| Brad Joy | 2020-2026 | .280 | 9 | 108 | 0 | 0 | 0 | 0.00 | 0 |
| Andy Joyce | 2026-2026 | .207 | 1 | 6 | 0 | 0 | 0 | 0.00 | 0 |
| Chance Joyner | 2021-2026 | .000 | 0 | 0 | 25 | 38 | 0 | 3.34 | 519 |
| Luis Juarez | 2018-2020 | .267 | 13 | 42 | 0 | 0 | 0 | 0.00 | 0 |
| Marco Juarez | 2024-2024 | .255 | 10 | 41 | 0 | 0 | 0 | 0.00 | 0 |
| Liam Julian | 2020-2026 | .253 | 16 | 58 | 0 | 0 | 0 | 0.00 | 0 |
| Omar Jurado | 2020-2024 | .198 | 38 | 100 | 0 | 0 | 0 | 0.00 | 0 |
| Alex Justiniano | 2021-2026 | .225 | 3 | 50 | 0 | 0 | 0 | 0.00 | 0 |
