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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 |
|---|---|---|---|---|---|---|---|---|---|
| Jesse Jachimiak | 2023-2025 | .000 | 0 | 0 | 1 | 5 | 0 | 6.19 | 60 |
| Alberto Jacinto | 2024-2024 | .000 | 0 | 0 | 4 | 2 | 0 | 3.52 | 60 |
| Jim Jackson | 2023-2026 | .274 | 8 | 82 | 0 | 0 | 0 | 0.00 | 0 |
| Matt Jackson | 2016-2019 | .251 | 15 | 106 | 0 | 0 | 0 | 0.00 | 0 |
| Ralph Jackson | 2022-2026 | .249 | 28 | 136 | 0 | 0 | 0 | 0.00 | 0 |
| Steve Jackson | 2016-2018 | .000 | 0 | 0 | 9 | 6 | 11 | 1.77 | 145 |
| Travis Jackson | 2023-2026 | .228 | 3 | 21 | 0 | 0 | 0 | 0.00 | 0 |
| Brian Jacobs | 2020-2025 | .248 | 36 | 81 | 0 | 0 | 0 | 0.00 | 0 |
| Matt Jacobson | 2025-2025 | .000 | 0 | 0 | 1 | 0 | 0 | 0.69 | 11 |
| Fernando Jaimes | 2026-2026 | .000 | 0 | 0 | 0 | 1 | 0 | 3.38 | 13 |
| Kyle Jaimes | 2016-2021 | .262 | 7 | 29 | 0 | 0 | 0 | 0.00 | 0 |
| Mike Jamar | 2025-2026 | .234 | 2 | 16 | 0 | 0 | 0 | 0.00 | 0 |
| Chris James | 2019-2019 | .209 | 8 | 26 | 0 | 0 | 0 | 0.00 | 0 |
| Chris James | 2019-2019 | .235 | 0 | 2 | 0 | 0 | 0 | 0.00 | 0 |
| Ryan James | 2021-2022 | .270 | 4 | 81 | 0 | 0 | 0 | 0.00 | 0 |
| Tim James | 2025-2026 | .000 | 0 | 0 | 12 | 17 | 0 | 3.93 | 263 |
| Tim James | 2022-2023 | .000 | 0 | 0 | 5 | 2 | 0 | 2.58 | 75 |
| Xavier James | 2021-2023 | .246 | 12 | 88 | 0 | 0 | 0 | 0.00 | 0 |
| Mike Janda | 2024-2024 | .111 | 0 | 1 | 0 | 0 | 0 | 0.00 | 0 |
| Chris Jansen | 2023-2023 | .000 | 0 | 0 | 6 | 7 | 1 | 3.73 | 143 |
| Omar Jaramillo | 2024-2026 | .000 | 0 | 0 | 2 | 0 | 1 | 4.37 | 21 |
| Ray Jarrett | 2026-2026 | .000 | 0 | 0 | 3 | 4 | 2 | 5.07 | 24 |
| Josh Jasinski | 2026-2026 | .310 | 28 | 79 | 0 | 0 | 0 | 0.00 | 0 |
| Alex Jauregui | 2023-2026 | .000 | 0 | 0 | 13 | 15 | 0 | 3.59 | 264 |
| Kyle Jaynes | 2021-2021 | .241 | 1 | 6 | 0 | 0 | 0 | 0.00 | 0 |
| Jim Jedrzejewski | 2020-2021 | .222 | 0 | 1 | 0 | 0 | 0 | 0.00 | 0 |
| Seth Jeffers | 2018-2025 | .275 | 3 | 34 | 0 | 0 | 0 | 0.00 | 0 |
| Jim Jeffords | 2021-2023 | .000 | 0 | 0 | 7 | 10 | 3 | 4.53 | 126 |
| Steve Jelen | 2025-2026 | .000 | 0 | 0 | 4 | 8 | 0 | 4.89 | 97 |
| Bobby Jenkins | 2016-2023 | .257 | 4 | 21 | 0 | 0 | 0 | 0.00 | 0 |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
| Chris Jenkins | 2017-2019 | .000 | 0 | 0 | 9 | 4 | 1 | 2.89 | 118 |
| Eddie Jenkins | 2020-2026 | .236 | 15 | 68 | 0 | 0 | 0 | 0.00 | 0 |
| Addison Jensen | 2023-2024 | .000 | 0 | 0 | 13 | 9 | 1 | 2.78 | 272 |
| Casey Jensen | 2024-2026 | .000 | 0 | 0 | 12 | 21 | 0 | 4.05 | 198 |
| Josh Jeppesen | 2016-2019 | .000 | 0 | 0 | 6 | 5 | 0 | 3.20 | 124 |
| Matthew Jesionowski | 2022-2022 | .000 | 0 | 0 | 2 | 11 | 0 | 3.48 | 107 |
| John Jett | 2026-2026 | .000 | 0 | 0 | 0 | 0 | 0 | 0.00 | 1 |
| Craig Jewell | 2016-2016 | .000 | 0 | 0 | 0 | 0 | 1 | 4.15 | 9 |
| Brett Jewett | 2020-2020 | .251 | 6 | 26 | 0 | 0 | 0 | 0.00 | 0 |
| Francisco Jimenez | 2023-2025 | .000 | 0 | 0 | 11 | 10 | 0 | 3.51 | 206 |
| Ismael Jimenez | 2024-2025 | .254 | 1 | 31 | 0 | 0 | 0 | 0.00 | 0 |
| Nestor Jimenez | 2024-2026 | .222 | 5 | 30 | 0 | 0 | 0 | 0.00 | 0 |
| Ramon Jimenez | 2020-2022 | .000 | 0 | 0 | 11 | 10 | 0 | 3.72 | 209 |
| Ricardo Jimenez | 2021-2025 | .221 | 20 | 104 | 0 | 0 | 0 | 0.00 | 0 |
| Tony Jimenez | 2018-2018 | .268 | 8 | 32 | 0 | 0 | 0 | 0.00 | 0 |
| Kevin Joe | 2024-2026 | .000 | 0 | 0 | 9 | 5 | 6 | 2.54 | 243 |
| Rickey Jogan | 2026-2026 | .000 | 0 | 0 | 2 | 0 | 0 | 1.52 | 37 |
| Jake Johns | 2020-2025 | .241 | 27 | 207 | 0 | 0 | 0 | 0.00 | 0 |
| Jim Johns | 2016-2025 | .224 | 37 | 109 | 0 | 0 | 0 | 0.00 | 0 |
| A.J. Johnson | 2017-2020 | .000 | 0 | 0 | 7 | 5 | 39 | 2.14 | 131 |
| Adam Johnson | 2022-2024 | .188 | 11 | 51 | 0 | 0 | 0 | 0.00 | 0 |
| Andre Johnson | 2016-2024 | .300 | 9 | 31 | 0 | 0 | 0 | 0.00 | 0 |
| Anthony Johnson | 2018-2018 | .333 | 1 | 1 | 0 | 0 | 0 | 0.00 | 0 |
| Ben Johnson | 2023-2023 | .234 | 3 | 29 | 0 | 0 | 0 | 0.00 | 0 |
| Bill Johnson | 2026-2026 | .000 | 0 | 0 | 9 | 5 | 0 | 3.76 | 94 |
| Bob Johnson | 2025-2026 | .000 | 0 | 0 | 5 | 5 | 0 | 3.23 | 70 |
| Bret Johnson | 2022-2025 | .235 | 17 | 132 | 0 | 0 | 0 | 0.00 | 0 |
| Brian Johnson | 2026-2026 | .000 | 0 | 0 | 7 | 8 | 0 | 4.86 | 120 |
| Chris Johnson | 2023-2026 | .000 | 0 | 0 | 7 | 10 | 14 | 3.01 | 147 |
| David Johnson | 2024-2026 | .257 | 3 | 54 | 0 | 0 | 0 | 0.00 | 0 |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
| Fadeuka Johnson | 2026-2026 | .000 | 0 | 0 | 0 | 0 | 0 | 0.00 | 7 |
| Isaiah Johnson | 2026-2026 | .273 | 8 | 32 | 0 | 0 | 0 | 0.00 | 0 |
| James Johnson | 2021-2025 | .244 | 14 | 87 | 0 | 0 | 0 | 0.00 | 0 |
| Jeremiah Johnson | 2017-2019 | .000 | 0 | 0 | 12 | 17 | 0 | 3.89 | 174 |
| Jim Johnson | 2023-2024 | .000 | 0 | 0 | 3 | 10 | 36 | 3.44 | 136 |
| Joe Johnson | 2026-2026 | .267 | 8 | 37 | 0 | 0 | 0 | 0.00 | 0 |
| Joe Johnson | 2018-2018 | .000 | 0 | 0 | 0 | 2 | 0 | 7.50 | 16 |
| John Johnson | 2021-2021 | .257 | 6 | 39 | 0 | 0 | 0 | 0.00 | 0 |
| John Johnson | 2026-2026 | .295 | 1 | 5 | 0 | 0 | 0 | 0.00 | 0 |
| Justin Johnson | 2019-2020 | .000 | 0 | 0 | 3 | 6 | 0 | 4.02 | 101 |
| Larry Johnson | 2025-2026 | .000 | 0 | 0 | 3 | 1 | 0 | 3.00 | 39 |
| Matt Johnson | 2021-2022 | .000 | 0 | 0 | 3 | 6 | 8 | 3.30 | 65 |
| Matt Johnson | 2023-2024 | .000 | 0 | 0 | 18 | 9 | 0 | 4.45 | 210 |
| Mike Johnson | 2020-2021 | .000 | 0 | 0 | 1 | 3 | 0 | 4.85 | 30 |
| Nick Johnson | 2018-2023 | .283 | 7 | 102 | 0 | 0 | 0 | 0.00 | 0 |
| Nick Johnson | 2018-2022 | .184 | 7 | 31 | 0 | 0 | 0 | 0.00 | 0 |
| Nick Johnson | 2017-2017 | .000 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0 |
| Pete Johnson | 2021-2023 | .000 | 0 | 0 | 11 | 30 | 2 | 3.50 | 224 |
| Phil Johnson | 2026-2026 | .322 | 3 | 16 | 0 | 0 | 0 | 0.00 | 0 |
| Sam Johnson | 2022-2022 | .173 | 4 | 14 | 0 | 0 | 0 | 0.00 | 0 |
| Scott Johnson | 2019-2019 | .000 | 0 | 0 | 1 | 2 | 1 | 4.15 | 53 |
| Tim Johnson | 2021-2022 | .248 | 4 | 12 | 0 | 0 | 0 | 0.00 | 0 |
| Tony Johnson | 2020-2021 | .224 | 9 | 48 | 0 | 0 | 0 | 0.00 | 0 |
| Tony Johnson | 2017-2024 | .231 | 7 | 29 | 0 | 0 | 0 | 0.00 | 0 |
| Tyrone Johnson | 2024-2025 | .280 | 8 | 61 | 0 | 0 | 0 | 0.00 | 0 |
| Walt Johnson | 2023-2023 | .336 | 4 | 12 | 0 | 0 | 0 | 0.00 | 0 |
| Will Johnson | 2016-2017 | .254 | 1 | 29 | 0 | 0 | 0 | 0.00 | 0 |
| Jessie Johnston | 2019-2026 | .180 | 2 | 12 | 0 | 0 | 0 | 0.00 | 0 |
| Mike Johnston | 2016-2019 | .220 | 38 | 157 | 0 | 0 | 0 | 0.00 | 0 |
| Josh Jolley | 2023-2026 | .256 | 8 | 54 | 0 | 0 | 0 | 0.00 | 0 |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
| Joel Jolly | 2026-2026 | .250 | 0 | 2 | 0 | 0 | 0 | 0.00 | 0 |
| Steve Jolly | 2026-2026 | .000 | 0 | 0 | 0 | 1 | 2 | 4.15 | 2 |
| Adam Jones | 2025-2025 | .000 | 0 | 0 | 0 | 2 | 0 | 21.60 | 0 |
| Adrian Jones | 2020-2025 | .230 | 14 | 42 | 0 | 0 | 0 | 0.00 | 0 |
| Caleb Jones | 2023-2023 | .217 | 0 | 3 | 0 | 0 | 0 | 0.00 | 0 |
| Chris Jones | 2019-2019 | .000 | 0 | 0 | 4 | 2 | 5 | 5.40 | 27 |
| Chris Jones | 2021-2023 | .000 | 0 | 0 | 4 | 4 | 34 | 2.17 | 78 |
| Chris Jones | 2024-2026 | .247 | 23 | 102 | 0 | 0 | 0 | 0.00 | 0 |
| Dave Jones | 2024-2026 | .228 | 0 | 11 | 0 | 0 | 0 | 0.00 | 0 |
| Dusty Jones | 2018-2019 | .000 | 0 | 0 | 9 | 6 | 1 | 2.47 | 135 |
| Eli Jones | 2023-2024 | .000 | 0 | 0 | 4 | 8 | 0 | 3.08 | 98 |
| Eric Jones | 2017-2018 | .215 | 4 | 22 | 0 | 0 | 0 | 0.00 | 0 |
| Jay Jones | 2022-2023 | .000 | 0 | 0 | 7 | 8 | 44 | 2.47 | 142 |
| Joe Jones | 2023-2026 | .000 | 0 | 0 | 12 | 8 | 16 | 4.31 | 188 |
| John Jones | 2016-2026 | .243 | 2 | 13 | 0 | 0 | 0 | 0.00 | 0 |
| Josh Jones | 2016-2025 | .253 | 15 | 130 | 0 | 0 | 0 | 0.00 | 0 |
| Mike Jones | 2023-2025 | .252 | 14 | 70 | 0 | 0 | 0 | 0.00 | 0 |
| Miles Jones | 2018-2019 | .000 | 0 | 0 | 3 | 4 | 0 | 2.82 | 46 |
| Nick Jones | 2023-2023 | .000 | 0 | 0 | 2 | 3 | 1 | 8.77 | 18 |
| Phil Jones | 2017-2017 | .238 | 4 | 27 | 0 | 0 | 0 | 0.00 | 0 |
| Ryan Jones | 2019-2019 | .000 | 0 | 0 | 10 | 10 | 0 | 3.64 | 120 |
| Roy Joos | 2021-2021 | .271 | 1 | 8 | 0 | 0 | 0 | 0.00 | 0 |
| Art Jordan | 2024-2025 | .000 | 0 | 0 | 19 | 19 | 4 | 4.36 | 153 |
| Bryan Jordan | 2016-2026 | .221 | 24 | 82 | 0 | 0 | 0 | 0.00 | 0 |
| Carlos Jordan | 2024-2025 | .000 | 0 | 0 | 4 | 7 | 2 | 3.75 | 99 |
| Ethan Jordan | 2026-2026 | .000 | 0 | 0 | 2 | 4 | 1 | 4.44 | 37 |
| Isiah Jordan | 2025-2025 | .000 | 0 | 0 | 1 | 2 | 0 | 3.96 | 26 |
| Mike Jordan | 2022-2024 | .000 | 0 | 0 | 7 | 14 | 0 | 4.48 | 179 |
| Marco Jorge | 2023-2023 | .266 | 14 | 65 | 0 | 0 | 0 | 0.00 | 0 |
| Justin Jorgensen | 2018-2022 | .254 | 5 | 20 | 0 | 0 | 0 | 0.00 | 0 |
| Player | From-To | Avg | HR | RBI | W | L | SV | ERA | K |
| Ruben Jose | 2020-2026 | .000 | 0 | 0 | 9 | 6 | 0 | 3.04 | 140 |
| George Joseph | 2025-2026 | .222 | 10 | 50 | 0 | 0 | 0 | 0.00 | 0 |
| Jaden Joseph | 2024-2025 | .000 | 0 | 0 | 2 | 6 | 1 | 6.04 | 65 |
| Keith Joseph | 2018-2025 | .262 | 18 | 59 | 0 | 0 | 0 | 0.00 | 0 |
| Brad Joy | 2024-2024 | .329 | 0 | 6 | 0 | 0 | 0 | 0.00 | 0 |
| Andy Joyce | 2021-2025 | .232 | 14 | 81 | 0 | 0 | 0 | 0.00 | 0 |
| Chance Joyner | 2019-2020 | .000 | 0 | 0 | 4 | 4 | 4 | 3.36 | 64 |
| Marco Juarez | 2022-2023 | .197 | 7 | 35 | 0 | 0 | 0 | 0.00 | 0 |
| Alex Justiniano | 2020-2020 | .322 | 1 | 12 | 0 | 0 | 0 | 0.00 | 0 |
| Rick Jutras | 2025-2026 | .277 | 26 | 82 | 0 | 0 | 0 | 0.00 | 0 |
