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| Name | Team | Age |
| Billy Leja | Retired (2026, Age 37) | Died (2058, Age 69) |
| Drafted | Position | Bats/Throws |
| Round 1, Pick 15 (2009) |
SP | B/R |
| League | Option Years
|
Majors Service Time |
| Orlando Cepeda League (AA) | 0 | 14 years (111 games) |
| Total Rating
|
Arm | Range |
| Contact vs R | Contact vs L | Speed |
| Power vs R | Power vs L | Bunting |
| Endurance | Velocity | Control |
| Leadership
|
Mentor Value
|
|
| Health
|
Injured Days
|
Birthday |
| 0 | 2/7/1989 | |
| WS Rings | WS Appearances | LCS Appearances |
| 0 | 1 | 4 |
| Alt Pos (---) | Alt Pos (---) | Alt Pos (---) |
| (0.0 %) | (0.0 %) | (0.0 %) |
Stats | Splits | Playoffs | Energy | Improvements | Past Skills | Awards | Batting | Fielding | Game Log
| Year
|
Team | W | L | G | GS | CG | SHO | SV | BS | IP | H | R | ER | HBP | BB | SO | WHIP | ERA |
| 2012 | BOS | 1 | 5 | 10 | 10 | 0 | 0 | 0 | 0 | 45.1 | 70 | 45 | 43 | 2 | 26 | 36 | 2.12 | 8.54 |
| 2013 | BOS | 13 | 11 | 30 | 29 | 3 | 0 | 0 | 0 | 196.2 | 213 | 122 | 107 | 4 | 75 | 130 | 1.46 | 4.90 |
| 2014 | BOS | 9 | 15 | 36 | 36 | 3 | 2 | 0 | 0 | 218.0 | 239 | 140 | 136 | 4 | 86 | 146 | 1.49 | 5.61 |
| 2015 | BOS | 16 | 8 | 36 | 36 | 5 | 1 | 0 | 0 | 242.0 | 247 | 129 | 122 | 7 | 88 | 167 | 1.38 | 4.54 |
| 2016 | BOS | 18 | 13 | 35 | 35 | 5 | 1 | 0 | 0 | 241.0 | 225 | 113 | 109 | 2 | 87 | 184 | 1.29 | 4.07 |
| 2017 | BOS | 15 | 15 | 38 | 38 | 4 | 2 | 0 | 0 | 255.1 | 289 | 137 | 127 | 4 | 71 | 176 | 1.41 | 4.48 |
| 2018 | BOS | 11 | 14 | 37 | 37 | 4 | 1 | 0 | 0 | 259.0 | 261 | 126 | 114 | 6 | 83 | 180 | 1.33 | 3.96 |
| 2019 | BOS | 19 | 13 | 37 | 37 | 6 | 0 | 0 | 0 | 266.2 | 238 | 106 | 99 | 3 | 85 | 179 | 1.21 | 3.34 |
| 2020 | BOS | 9 | 20 | 39 | 39 | 2 | 0 | 0 | 0 | 235.1 | 267 | 147 | 137 | 2 | 103 | 147 | 1.57 | 5.24 |
| 2021 | BOS | 12 | 15 | 35 | 35 | 2 | 1 | 0 | 0 | 248.0 | 235 | 103 | 97 | 3 | 80 | 181 | 1.27 | 3.52 |
| 2022 | BOS | 16 | 12 | 34 | 34 | 0 | 0 | 0 | 0 | 225.1 | 233 | 115 | 109 | 0 | 75 | 159 | 1.37 | 4.35 |
| 2023 | BOS | 19 | 11 | 37 | 37 | 3 | 1 | 0 | 0 | 276.2 | 224 | 93 | 81 | 1 | 90 | 185 | 1.13 | 2.63 |
| 2024 | BOS | 6 | 9 | 26 | 26 | 1 | 1 | 0 | 0 | 153.0 | 184 | 81 | 78 | 3 | 54 | 99 | 1.56 | 4.59 |
| 2025 | BOS | 9 | 9 | 22 | 22 | 2 | 1 | 0 | 0 | 136.0 | 127 | 71 | 66 | 3 | 45 | 88 | 1.26 | 4.37 |
| 2026 | BOS | 5 | 10 | 22 | 22 | 2 | 2 | 0 | 0 | 112.0 | 140 | 81 | 75 | 0 | 40 | 63 | 1.61 | 6.03 |
| 2206 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | |
| Total | 178 | 180 | 474 | 473 | 42 | 13 | 0 | 0 | 3110.1 | 3192 | 1609 | 1500 | 44 | 1088 | 2120 | 1.38 | 4.34 |
| Date | Transaction |
| 2026-11-01 | Billy Leja has retired from the Boston Wolves |
| 2023-06-26 | A trade has been completed between the Kansas City Wolves and the Cincinnati Tazmanian Devils. The Cincinnati Tazmanian Devils receive Joe Kaufman from the Kansas City Wolves in exchange for Billy Leja, Draft Pick - 2024 Round 3 (CIN). |
| 2022-08-29 | A trade has been completed between the New York Tazmanian Devils and the Pittsburgh Barnstormers. The Pittsburgh Barnstormers receive Draft Pick - 2023 Round 2 (NYN) from the New York Tazmanian Devils in exchange for Billy Leja. |
| 2013-04-04 | The Philadelphia Barnstormers have promoted Billy Leja to the major league team. |
| 2012-06-12 | The Milwaukee Barnstormers have promoted Pete Olivares to the major league team. The Milwaukee Barnstormers have sent Billy Leja to the minors. |
| 2012-04-19 | The Milwaukee Barnstormers have promoted Billy Leja to the major league team. The Milwaukee Barnstormers have designated John Bernard for assignment. |