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| Name | Team | Age |
| Jack Martinez | Retired (2027, Age 34) | Died (2063, Age 70) |
| Drafted | Position | Bats/Throws |
| Round 5, Pick 75 (2015) |
RP | L/R |
| League | Option Years
|
Majors Service Time |
| Hank Aaron League | 0 | 0 years (127 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 | 2/5/1993 | |
| 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 | Vs | G | IP | SO | BB | H | WHIP |
| 2016 | LHB | 3 | 1.1 | 0 | 0 | 6 | 4.50 |
| 2016 | RHB | 4 | 2.1 | 2 | 1 | 3 | 1.71 |
| 2018 | LHB | 6 | 5.0 | 2 | 2 | 9 | 2.20 |
| 2018 | RHB | 6 | 3.2 | 3 | 2 | 5 | 1.91 |
| 2019 | LHB | 26 | 23.0 | 13 | 9 | 47 | 2.43 |
| 2019 | RHB | 24 | 19.1 | 10 | 8 | 33 | 2.12 |
| 2201 | AHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| 2201 | HHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| 2201 | LHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| 2201 | RHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| Total | AHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| Total | HHB | 0 | 0.0 | 0 | 0 | 0 | 0.00 |
| Total | LHB | 35 | 29.1 | 15 | 11 | 62 | 2.49 |
| Total | RHB | 34 | 25.1 | 15 | 11 | 41 | 2.05 |
| Total | 38 | 54.2 | 30 | 22 | 103 | 2.29 |
| Date | Transaction |
| 2027-11-01 | Jack Martinez has retired from the Free Agency Pool |
| 2024-05-06 | The Chicago Cubbies have waived Jack Martinez. |
| 2019-05-29 | The Chicago Cubbies have sent Jack Martinez to the minors. |
| 2019-04-02 | The Chicago Cubbies have promoted Jack Martinez to the major leagues. |
| 2018-04-12 | The Chicago Cubbies have promoted Pete Stutz to the major league team. The Chicago Cubbies have promoted Jose Clark to the major league team. The Chicago Cubbies have promoted Jim Fuller to the major league team. The Chicago Cubbies have sent Gene Raftery to the minors. The Chicago Cubbies have sent Jack Martinez to the minors. The Chicago Cubbies have sent Ed Risberg to the minors. |
| 2018-04-01 | The Chicago Cubbies have promoted Jack Martinez to the major leagues. |
| 2016-04-14 | The Chicago Cubbies have promoted Greg Johnson to the major league team. The Chicago Cubbies have promoted Brad Varnum to the major league team. The Chicago Cubbies have sent Jose Clark to the minors. The Chicago Cubbies have sent Jack Martinez to the minors. |
| 2016-04-02 | The Chicago Cubbies have promoted Jack Martinez to the major leagues. |
| 2016-04-02 | The Chicago Cubbies have acquired Jack Martinez from the waiver wire. |
| 2015-09-16 | The Boston Redsox have waived Jack Martinez. |
| 2015-08-17 | The Boston Redsox have acquired Jack Martinez from the waiver wire. |
| 2015-03-30 | The Philadelphia Phanatics have waived Jack Martinez. |