Major League Baseball
Profile | Career Statistics
Kenley Jansen
#74 - Boston Red Sox
Profile
Position Reliever
Ht/Wt 6'5" / 265 lbs
Birthdate September 30, 1987
Birthplace Willemstad, Curaçao
College  
Bats/Throws Switch / Right
Draft N/A
Experience 14 years
Key Statistics
IP 45.1
W/L 3-2
SV 24
ERA 2.78
K 53
BB 15
OBP .271
Errors 0
Last 10 | Season
Date vs S/R Res Score IP H R ER K BB HR P P/IP GB:FB
8/20/24 @ HOU R SV 6-5 1.0 0 0 0 0 0 0 12 12.0 .00
8/19/24 @ HOU R L 4-5 0.1 1 1 1 1 0 1 4 12.0 .00
8/17/24 @ BAL R 5-1 1.0 0 0 0 1 0 0 7 7.0 .00
8/16/24 @ BAL R SV 12-10 1.0 0 0 0 2 0 0 12 12.0 .00
8/13/24 TEX R SV 9-4 1.1 0 0 0 1 0 0 13 9.8 .00
8/12/24 TEX R 5-4 1.0 0 0 0 1 0 0 14 14.0 .00
8/6/24 @ KC R SV 6-5 1.1 0 0 0 3 0 0 13 9.8 .00
7/31/24 SEA R 3-2 1.0 0 0 0 1 1 0 18 18.0 .00
7/27/24 NYY R BS 8-11 1.0 2 1 1 1 0 0 19 19.0 1.00
7/26/24 NYY R SV 9-7 1.0 2 0 0 2 0 0 18 18.0 .00
Pitching Statistics | Career
Year Team G GS W L SV BS ERA CG SHO IP H R ER BB K HR WP
2024 BOS 44 0 3 2 24 3 2.78 0 0 45.1 33 14 14 15 53 3 2
2023 BOS 51 0 3 6 29 4 3.63 0 0 44.2 40 21 18 17 52 5 1
2022 ATL 65 0 5 2 41 7 3.38 0 0 64.0 45 25 24 22 85 8 1
Pitching Splits
  Overall Last 3 Away Home Day Night Grass Fieldturf Astroturf
W/L
ERA
IP
Hits
Runs
ER
K
BB
HR		 3-2
2.78
45.1
33
14
14
53
15
3		 0-0
0.00
0.0
0
0
0
0
0
0		 1-1
1.96
23.0
14
5
5
27
7
3		 2-1
3.63
22.1
19
9
9
26
8
0		 1-0
2.70
20.0
16
6
6
25
7
2		 2-2
2.84
25.1
17
8
8
28
8
1		 3-2
2.93
43.0
32
14
14
52
15
3		 0-0
0.00
0.0
0
0
0
0
0
0		 0-0
0.00
2.1
1
0
0
1
0
0
OBP
WHIP
GB:FB
SB
CS
SB %
QS %		 .271
1.06
0.73
6
3
66.7
0.0		 .000
0.00
0
0
0
0
0.0		 .233
0.91
0.61
3
0
100.0
0.0		 .308
1.21
0.87
3
3
50.0
0.0		 .293
1.15
1.00
3
1
75.0
0.0		 .253
0.99
0.53
3
2
60.0
0.0		 .277
1.09
0.77
6
3
66.7
0.0		 .000
0.00
0
0
0
0
0.0		 .125
0.43
0.33
0
0
0
0.0
TW/TL
AF
AA
Total
Over
Under		 34-10
5.45
4.50
9.95
25
16		 0-0
0.00
0.00
0.00
0
0		 19-4
5.61
4.04
9.65
15
7		 15-6
5.29
5.00
10.29
10
9		 14-4
4.61
3.67
8.28
8
10		 20-6
6.04
5.08
11.12
17
6		 31-10
5.46
4.63
10.10
24
14		 0-0
0.00
0.00
0.00
0
0		 3-0
5.33
2.67
8.00
1
2
Season Injury Log
Date On Date Off Injury Status
7/31/24 8/7/24 Back questionable
3/31/24 4/3/24 Back questionable
3/18/24 3/29/24 Back questionable
All-Star Appearances
Date vs S/R Res Score IP H R ER K BB HR P P/IP GB:FB
7/11/23 NL R 2-3 0.1 0 0 0 1 0 0 3 9.0 .00
7/11/17 AL R 1-2 1.0 1 0 0 3 0 0 19 19.0 .00
7/12/16 AL R 2-4 0.1 0 0 0 1 0 0 3 9.0 .00