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| Name | Team | Age |
| Ken Boyle | Retired (2025, Age 38) | 75 |
| Drafted | Position | Bats/Throws |
| Round 1, Pick 16 (2005) |
RP | R/R |
| League | Option Years
|
Majors Service Time |
| Joe Jackson League | 0 | 17 years (38 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 | 2/9/1987 | |
| 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 | POS | Team | G | GS | INN | TC | PO | A | E | DP | +/- | RF
|
FPCT |
| 2008 | P | STL | 10 | 10 | 71.0 | 8 | 0 | 8 | 0 | 0 | 0 | 1.01 | 1.000 |
| 2009 | P | STL | 36 | 34 | 194.66 | 30 | 0 | 27 | 3 | 2 | -2 | 1.25 | .900 |
| 2010 | P | BOS | 35 | 35 | 200.0 | 27 | 3 | 23 | 1 | 0 | -2 | 1.17 | .963 |
| 2011 | P | BOS | 35 | 35 | 217.0 | 22 | 1 | 21 | 0 | 0 | 0 | 0.91 | 1.000 |
| 2012 | P | BOS | 37 | 37 | 225.0 | 28 | 0 | 28 | 0 | 0 | +1 | 1.12 | 1.000 |
| 2013 | P | BOS | 37 | 37 | 241.0 | 30 | 3 | 27 | 0 | 2 | +1 | 1.12 | 1.000 |
| 2014 | P | BOS | 37 | 37 | 207.66 | 24 | 1 | 23 | 0 | 2 | -1 | 1.04 | 1.000 |
| 2015 | P | BOS | 37 | 37 | 229.66 | 25 | 1 | 23 | 1 | 2 | 0 | 0.94 | .960 |
| 2016 | P | BOS | 35 | 35 | 204.66 | 33 | 3 | 30 | 0 | 4 | -1 | 1.45 | 1.000 |
| 2017 | P | BOS | 36 | 36 | 233.0 | 33 | 4 | 26 | 3 | 1 | -3 | 1.16 | .909 |
| 2018 | P | BOS | 37 | 37 | 242.66 | 32 | 3 | 29 | 0 | 3 | +2 | 1.19 | 1.000 |
| 2019 | P | BOS | 37 | 37 | 237.66 | 33 | 2 | 30 | 1 | 0 | +1 | 1.21 | .970 |
| 2020 | P | BOS | 37 | 37 | 234.66 | 29 | 3 | 25 | 1 | 1 | -1 | 1.07 | .966 |
| 2021 | P | BOS | 36 | 36 | 237.66 | 27 | 5 | 21 | 1 | 2 | -1 | 0.98 | .963 |
| 2022 | P | BOS | 36 | 36 | 225.33 | 24 | 5 | 19 | 0 | 1 | 0 | 0.96 | 1.000 |
| 2023 | P | BOS | 36 | 36 | 209.0 | 23 | 1 | 19 | 3 | 3 | -1 | 0.86 | .870 |
| 2024 | P | BOS | 77 | 5 | 108.66 | 7 | 2 | 5 | 0 | 0 | -1 | 0.58 | 1.000 |
| 2025 | P | BOS | 67 | 0 | 74.66 | 8 | 0 | 7 | 1 | 0 | 0 | 0.84 | .875 |
| Total | 698 | 557 | 3593.93 | 443 | 37 | 391 | 15 | 23 | -8 | 1.07 | .966 |
| Date | Transaction |
| 2025-11-01 | Ken Boyle has retired from the Boston Red Sox |
| 2010-04-09 | The Boston Red Sox have promoted Ken Boyle to the major league team. The Boston Red Sox have designated Charlie Thomas for assignment. |
| 2010-04-01 | Trade #1263218 has been completed between the St. Louis Browns and the Boston Red Sox. The Boston Red Sox receive Ken Boyle from the St. Louis Browns in exchange for David Nuuhiwa. |
| 2008-08-13 | The St. Louis Browns have promoted Ken Boyle to the major league team. The St. Louis Browns have sent Jim Mulcahy to the minors. |