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| Name | Team | Age |
| John Haines | Retired (2025, Age 33) | 78 |
| Drafted | Position | Bats/Throws |
| Round 2, Pick 25 (2015) |
RP | R/R |
| League | Option Years
|
Majors Service Time |
| Whitey Ford League | 0 | 10 years (95 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 | 12/23/1991 | |
| WS Rings | WS Appearances | LCS Appearances |
| 0 | 0 | 2 |
| 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
|
Series | W | L | G | GS | CG | SHO | SV | BS | IP | H | R | ER | HBP | BB | SO | WHIP | ERA |
| 2015 | LCS | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2.2 | 4 | 2 | 2 | 0 | 0 | 0 | 1.50 | 6.75 |
| 2019 | LCS | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1.0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.00 | 0.00 |
| Total | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 3.2 | 4 | 2 | 2 | 0 | 0 | 1 | 1.09 | 4.91 |
| Date | Transaction |
| 2025-11-01 | John Haines has retired from the Arizona Desert Sponges |
| 2015-06-19 | The Arizona Desert Sponges have promoted John Haines to the major league team. The Arizona Desert Sponges have sent Fred Williard to the minors. |