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Joe Jackson League
4-1-2062
Ken Boyle Relief Pitcher
Retired (2025, Age 38)
CAREER BIOGRAPHICAL DATA
ERA 4.22 Total Rating B    Bats/Throws R/R
W-L 164-265 Status Retired (2025) Option Years 0  
SV 5 Age 75 (OS 75) Date of Birth 02-09-1987
K 3157 Drafted Round 1, Pick 16
(2005)		 Majors Svc Time 17 years
(38 games)
IP 3594.0
WHIP 1.37
OFFENSE PITCHING MENTORING
Contact vs. R F  Contact vs. L F  Endurance C+   Ldrship C+
Power vs. R D- Power vs. L D- Velocity B+   Mentor Val B 
Speed B- Bunt D- Control B-
POSITIONS DEFENSE/HEALTH POSTSEASON
 C * --- SS --- Range D  WS Rings 0
1B --- LF --- Arm C+ WS Appearances 0
2B --- CF ---   Health C  LCS Appearances 0
3B --- RF ---   Injured Days 0 All Star Teams 0
* League requires 50% rating to start at catcher.

Year POS Team G GS INN TC PO A E DP +/- RF   FPCT GG
2008 P STL 10 10 71.0 8 0 8 0 0 0 1.01 1.000
2009 P STL 36 34 194.2 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 37 207.2 24 1 23 0 2 -1 1.04 1.000
2015 P BOS 37 37 229.2 25 1 23 1 2 0 0.94 .960
2016 P BOS 35 35 204.2 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 37 242.2 32 3 29 0 3 +2 1.19 1.000
2019 P BOS 37 37 237.2 33 2 30 1 0 +1 1.21 .970
2020 P BOS 37 37 234.2 29 3 25 1 1 -1 1.07 .966
2021 P BOS 36 36 237.2 27 5 21 1 2 -1 0.98 .963
2022 P BOS 36 36 225.1 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 5 108.2 7 2 5 0 0 -1 0.58 1.000
2025 P BOS 67 0 74.2 8 0 7 1 0 0 0.84 .875
Total 698 557 3594.0 443 37 391 15 23 -8 1.07 .966
Career Transactions
DateTransaction
2025-11-01Ken Boyle has retired from the Boston Red Sox
2010-04-09The Boston Red Sox have promoted Ken Boyle to the major league team. The Boston Red Sox have designated Charlie Thomas for assignment.
2010-04-01Trade #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.
2008-08-13The St. Louis Browns have promoted Ken Boyle to the major league team. The St. Louis Browns have sent Jim Mulcahy to the minors.