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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 Type OS Age Chances   Active GS Injured  Endurance   Velocity   Control   Total 
2005 Minors 18 45.00 1 / 7 5 / 11 8 / 27 14 / 45
2006 Minors 19 56.00 3 / 8 6 / 27 4 / 21 13 / 56
2007 Minors 20 60.00 1 / 4 7 / 30 7 / 26 15 / 60
2008 Minors 21 28.00 0 / 2 2 / 11 3 / 15 5 / 28
2008 Majors 21 15.80 45 10 0 0 / 0 1 / 8 2 / 7 3 / 15
2009 Majors 22 47.77 162 34 0 1 / 11 4 / 15 3 / 21 8 / 47
2010 Minors 23 3.00 0 / 1 0 / 1 0 / 1 0 / 3
2010 Majors 23 48.87 155 35 0 2 / 12 2 / 10 1 / 26 5 / 48
2011 Majors 24 51.19 162 35 0 0 / 10 3 / 20 6 / 21 9 / 51
2012 Majors 25 50.71 162 37 0 0 / 11 2 / 23 2 / 16 4 / 50
2013 Majors 26 48.75 162 37 0 0 / 7 1 / 19 1 / 22 2 / 48
2014 Majors 27 48.12 162 37 0 2 / 12 0 / 18 0 / 18 2 / 48
2015 Majors 28 51.80 162 37 0 1 / 11 0 / 22 0 / 18 1 / 51
2016 Majors 29 49.82 162 35 0 0 / 13 0 / 18 0 / 18 0 / 49
2017 Majors 30 51.88 162 36 0 0 / 12 0 / 19 1 / 20 1 / 51
2018 Majors 31 52.67 162 37 0 0 / 15 0 / 17 0 / 20 0 / 52
2019 Majors 32 52.34 162 37 0 0 / 15 0 / 20 1 / 17 1 / 52
2020 Majors 33 52.14 162 37 0 0 / 12 0 / 14 0 / 26 0 / 52
2021 Majors 34 52.25 162 36 0 -5 / 7 -3 / 22 -4 / 23 -12 / 52
2022 Majors 35 51.41 162 36 0 -4 / 11 -11 / 22 0 / 18 -15 / 51
2023 Majors 36 50.24 162 36 0 -6 / 14 -8 / 22 -1 / 14 -15 / 50
2024 Majors 37 47.73 162 5 0 0 / 6 -4 / 16 -3 / 25 -7 / 47
2025 Majors 38 44.04 162 0 0 -2 / 10 -1 / 16 -1 / 18 -4 / 44
Total 2792 557 0 -6 / 211 6 / 401 30 / 438 30 / 1050
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.