Major League Baseball
Profile | Career Statistics
Kenley Jansen
Profile
Position Reliever
Ht/Wt 6'5" / 265 lbs
Birthdate September 30, 1987
Birthplace Willemstad, CuraƧao
College  
Bats/Throws Switch / Right
Draft N/A
Experience 14 years
Key Statistics
IP 35.2
W/L 3-2
SV 17
ERA 3.53
K 35
BB 11
OBP .282
Errors 0
Last 10 | Season
Date vs S/R Res Score IP H R ER K BB HR P P/IP GB:FB
7/18/25 @ PHI R SV 6-5 1.0 0 0 0 0 0 0 7 7.0 .50
7/11/25 AZ R W 6-5 1.0 1 0 0 0 0 0 10 10.0 1.00
7/9/25 TEX R SV 11-8 1.0 1 0 0 1 0 0 13 13.0 1.00
7/7/25 TEX R W 6-5 1.0 0 0 0 1 0 0 7 7.0 .00
7/5/25 @ TOR R 3-4 1.0 0 0 0 3 0 0 13 13.0 .00
7/4/25 @ TOR R 3-4 1.0 0 0 0 2 0 0 14 14.0 .00
7/1/25 @ ATL R 4-0 1.0 1 0 0 2 0 0 18 18.0 .00
6/29/25 WAS R BS 4-7 1.0 2 1 1 1 1 0 17 17.0 .00
6/24/25 BOS R 3-2 1.0 0 0 0 0 1 0 21 21.0 .50
6/23/25 BOS R 9-5 0.0 0 0 0 0 0 0 4 inf .00
Pitching Statistics | Career
Year Team G GS W L SV BS ERA CG SHO IP H R ER BB K HR WP
2025 LAA 39 0 3 2 17 1 3.53 0 0 35.2 31 14 14 11 35 6 0
2024 BOS 54 0 4 2 27 4 3.29 0 0 54.2 38 20 20 20 62 4 2
2023 BOS 51 0 3 6 29 4 3.63 0 0 44.2 40 21 18 17 52 5 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
3.53
35.2
31
14
14
35
11
6
0-0
0.00
0.0
0
0
0
0
0
0
1-1
2.66
20.1
15
6
6
27
7
2
2-1
4.70
15.1
16
8
8
8
4
4
0-0
4.50
6.0
5
3
3
10
3
1
3-2
3.34
29.2
26
11
11
25
8
5
3-2
3.74
33.2
31
14
14
30
11
6
0-0
0.00
0.0
0
0
0
0
0
0
0-0
0.00
2.0
0
0
0
5
0
0
OBP
WHIP
GB:FB
SB
CS
SB %
QS %
.282
1.18
0.60
11
0
100.0
0.0
.000
0.00
0
0
0
0
0.0
.265
1.08
0.59
7
0
100.0
0.0
.303
1.30
0.61
4
0
100.0
0.0
.320
1.33
4.00
2
0
100.0
0.0
.274
1.15
0.50
9
0
100.0
0.0
.294
1.25
0.60
11
0
100.0
0.0
.000
0.00
0
0
0
0
0.0
.000
0.00
0
0
0
0
0.0
TW/TL
AF
AA
Total
Over
Under
31-8
4.82
3.92
8.74
17
21
0-0
0.00
0.00
0.00
0
0
17-4
4.71
3.76
8.48
8
13
14-4
4.94
4.11
9.06
9
8
3-3
3.17
4.33
7.50
2
4
28-5
5.12
3.85
8.97
15
17
31-6
4.92
3.92
8.84
17
19
0-0
0.00
0.00
0.00
0
0
0-2
3.00
4.00
7.00
0
2
Season Injury Log
Date On Date Off Injury Status
5/7/25 5/10/25 Illness 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