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| Name | Team | Age |
| Mars Westbrook | Retired (2036, Age 35) | Died (2076, Age 75) |
| Drafted | Position | Bats/Throws |
| Undrafted (2020) |
RP | R/R |
| League | Option Years
|
Majors Service Time |
| Fred Lynn League | 0 | 10 years (6 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 | 6/10/2001 | |
| WS Rings | WS Appearances | LCS Appearances |
| 0 | 0 | 0 |
| 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 | Type
|
Chances
|
Endurance | Velocity | Control | Total |
| 2020 | Minors | 22.00 | 1 / 2 | 3 / 12 | 4 / 8 | 8 / 22 |
| 2021 | Minors | 26.00 | 2 / 6 | 3 / 13 | 1 / 7 | 6 / 26 |
| 2022 | Minors | 17.00 | 1 / 1 | 2 / 7 | 2 / 9 | 5 / 17 |
| 2023 | Majors | 23.00 | 0 / 0 | 2 / 7 | 4 / 16 | 6 / 23 |
| 2024 | Majors | 17.00 | 0 / 0 | 3 / 7 | 7 / 10 | 10 / 17 |
| 2025 | Majors | 2.02 | 0 / 0 | 1 / 2 | 0 / 0 | 1 / 2 |
| 2026 | Minors | 3.00 | 0 / 0 | 1 / 1 | 0 / 2 | 1 / 3 |
| 2026 | Majors | 18.00 | 0 / 0 | 1 / 8 | 5 / 10 | 6 / 18 |
| 2027 | Majors | 48.99 | 2 / 11 | 5 / 22 | 5 / 15 | 12 / 48 |
| 2028 | Majors | 50.15 | 1 / 11 | 4 / 22 | 3 / 17 | 8 / 50 |
| 2029 | Majors | 47.80 | 2 / 8 | 3 / 22 | 1 / 17 | 6 / 47 |
| 2030 | Majors | 38.75 | 1 / 6 | 2 / 13 | 1 / 19 | 4 / 38 |
| 2031 | Majors | 39.52 | 0 / 6 | 2 / 15 | 1 / 18 | 3 / 39 |
| 2032 | Majors | 44.18 | 0 / 5 | 1 / 20 | 0 / 19 | 1 / 44 |
| 2033 | Majors | 32.34 | 1 / 5 | 0 / 11 | 0 / 16 | 1 / 32 |
| 2034 | Majors | 37.45 | 0 / 7 | 0 / 13 | 1 / 17 | 1 / 37 |
| 2035 | Majors | 35.50 | -1 / 4 | -2 / 15 | -3 / 16 | -6 / 35 |
| 2036 | Majors | 35.10 | -2 / 3 | -3 / 14 | -3 / 18 | -8 / 35 |
| Total | 8 / 75 | 28 / 224 | 29 / 234 | 65 / 533 |
| Date | Transaction |
| 2036-11-01 | Mars Westbrook has retired from the San Francisco Unicorns |
| 2027-03-07 | The San Francisco Stallions have sent John Henry Johnson to the minors. The San Francisco Stallions have sent Rikkert Fanyete to the minors. The San Francisco Stallions have sent George Hendrick to the minors. The San Francisco Stallions have designated Eddie Belliard for assignment. The San Francisco Stallions have promoted Mars Westbrook to the major league team. The San Francisco Stallions have promoted Johnny Trosky to the major league team. The San Francisco Stallions have promoted Chris Milchin to the major league team. The San Francisco Stallions have promoted Darryl Strickland to the major league team. |
| 2027-03-07 | The San Francisco Stallions have acquired Mars Westbrook from the waiver wire. |
| 2026-05-01 | The Baltimore Buzzards have waived Mars Westbrook. |
| 2026-04-01 | The Baltimore Buzzards have acquired Mars Westbrook from the waiver wire. |
| 2025-10-13 | The Montreal Cosmonauts have waived Mars Westbrook. |
| 2025-09-29 | The Montreal Cosmonauts have sent Mars Westbrook to the minors. The Montreal Cosmonauts have promoted Don Johnson to the major league team. |
| 2025-09-26 | The Montreal Cosmonauts have sent Don Johnson to the minors. The Montreal Cosmonauts have promoted Bill Nichting to the major league team. The Montreal Cosmonauts have promoted Mars Westbrook to the major league team. |
| 2025-09-26 | The Montreal Cosmonauts have acquired Mars Westbrook from the waiver wire. |
| 2025-09-19 | The Montreal Cosmonauts have waived Mars Westbrook. |
| 2025-09-09 | The Montreal Cosmonauts have sent Mars Westbrook to the minors. The Montreal Cosmonauts have promoted Don Johnson to the major league team. |
| 2025-09-05 | The Montreal Cosmonauts have sent Don Johnson to the minors. The Montreal Cosmonauts have promoted Bill Nichting to the major league team. The Montreal Cosmonauts have promoted Mars Westbrook to the major league team. |
| 2025-09-05 | The Montreal Cosmonauts have acquired Mars Westbrook from the waiver wire. |
| 2023-04-01 | The Montreal Cosmonauts have waived Mars Westbrook. |
| 2022-08-25 | The Montreal Cosmonauts have acquired Mars Westbrook from the waiver wire. |
| 2022-06-21 | The Colorado Maroon Bells have waived Mars Westbrook. |
| 2022-04-21 | The Colorado Maroon Bells have acquired Mars Westbrook from the waiver wire. |
| 2022-04-01 | The Detroit Dead Things have waived Mars Westbrook. |
| 2022-04-01 | The Detroit Dead Things have renamed Greg Joly to Mars Westbrook. |
| 2021-04-01 | The Seattle Mariners have renamed Mars Westbrook to Greg Joly. |
| 2021-03-07 | Trade #1351667 has been completed between the Seattle Mariners and the Minnesota Gray Squirrels. The Minnesota Gray Squirrels receive Freddy Garcia from the Seattle Mariners in exchange for Mars Westbrook. |
| 2020-04-02 | The Minnesota Gray Squirrels have acquired Mars Westbrook from the waiver wire. |