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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   Team W L G GS CG SHO SV BS IP H R ER HBP BB SO WHIP ERA Awards
2008 STL
4
 5
10
10
2
0
0
 0
71.0
 73 35 33 1 28
64
1.42
4.18
2009 STL
5
 20
36
34
2
1
1
 0
194.2
 173 101 89 11 71
174
1.25
4.11
2010 BOS
8
 18
35
35
0
0
0
 0
200.0
 206 116 104 5 76
194
1.41
4.68
2011 BOS
6
 22
35
35
1
0
0
 0
217.0
 215 122 115 8 86
216
1.39
4.77
2012 BOS
10
 16
37
37
0
0
0
 0
225.0
 227 121 103 2 78
187
1.36
4.12
2013 BOS
12
 11
37
37
1
0
0
 0
241.0
 231 108 101 4 98
212
1.37
3.77
2014 BOS
3
 24
37
37
0
0
0
 0
207.2
 230 146 137 3 108
182
1.63
5.94
2015 BOS
8
 25
37
37
0
0
0
 0
229.2
 231 129 101 2 97
205
1.43
3.96
2016 BOS
10
 17
35
35
0
0
0
 0
204.2
 208 124 113 6 82
170
1.42
4.97
2017 BOS
13
 15
36
36
0
0
0
 0
233.0
 221 109 94 5 98
211
1.37
3.63
2018 BOS
11
 17
37
37
2
0
0
 0
242.2
 223 100 96 6 76
215
1.23
3.56
2019 BOS
16
 10
37
37
0
0
0
 0
237.2
 223 95 89 3 80
212
1.27
3.37
2020 BOS
16
 11
37
37
0
0
0
 0
234.2
 238 110 97 6 78
210
1.35
3.72
2021 BOS
15
 10
36
36
0
0
0
 0
237.2
 221 95 87 4 78
191
1.26
3.29
2022 BOS
10
 12
36
36
0
0
0
 0
225.1
 201 115 103 7 92
193
1.30
4.11
2023 BOS
6
 15
36
36
0
0
0
 0
209.0
 211 111 105 4 77
164
1.38
4.52
2024 BOS
8
 9
80
5
0
0
3
 3
108.2
 110 57 54 2 46
91
1.44
4.47
2025 BOS
3
 8
73
0
0
0
1
 3
74.2
 99 68 64 1 39
66
1.85
7.71
2062
0
 0
0
0
0
0
0
 0
0.0
 0 0 0 0 0
0
0.00
0.00
Total
164
 265
707
557
8
1
5
 6
3594.0
 3541 1862 1685 80 1388
3157
1.37
4.22
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.