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 25.2
W/L 1-2
SV 15
ERA 4.56
K 25
BB 9
OBP .300
Errors 0
Last 10 | Season
Date vs S/R Res Score IP H R ER K BB HR P P/IP GB:FB
6/18/25 @ NYY R SV 3-2 1.0 0 0 0 1 0 0 13 13.0 1.00
6/16/25 @ NYY R 1-0 1.0 1 0 0 2 0 0 22 22.0 .00
6/15/25 @ BAL R 2-11 1.0 2 2 2 3 0 1 19 19.0 .00
6/10/25 ATH R 2-1 1.0 1 0 0 0 0 0 14 14.0 .00
6/9/25 ATH R 7-4 0.1 0 0 0 0 0 0 3 9.0 .00
6/7/25 SEA R SV 8-6 1.0 1 1 1 0 0 1 14 14.0 .00
6/6/25 SEA R SV 5-4 1.0 0 0 0 1 0 0 8 8.0 1.00
6/3/25 @ BOS R W 4-3 1.0 0 0 0 1 2 0 19 19.0 1.00
6/2/25 @ BOS R SV 7-6 1.0 0 0 0 1 0 0 10 10.0 .00
5/30/25 @ CLE R 4-1 1.0 1 1 1 0 2 0 25 25.0 .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 28 0 1 2 15 0 4.56 0 0 25.2 24 13 13 9 25 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
1-2
4.56
25.2
24
13
13
25
9
6
0-0
0.00
0.0
0
0
0
0
0
0
1-1
3.31
16.1
14
6
6
20
7
2
0-1
6.75
9.1
10
7
7
5
2
4
0-0
4.50
4.0
3
2
2
6
2
1
1-2
4.57
21.2
21
11
11
19
7
5
1-2
4.56
25.2
24
13
13
25
9
6
0-0
0.00
0.0
0
0
0
0
0
0
0-0
0.00
0.0
0
0
0
0
0
0
OBP
WHIP
GB:FB
SB
CS
SB %
QS %
.300
1.29
0.50
8
0
100.0
0.0
.000
0.00
0
0
0
0
0.0
.300
1.29
0.64
7
0
100.0
0.0
.300
1.29
0.33
1
0
100.0
0.0
.312
1.25
2.00
0
0
0
0.0
.298
1.29
0.44
8
0
100.0
0.0
.300
1.29
0.50
8
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
24-4
4.68
3.75
8.43
11
15
0-0
0.00
0.00
0.00
0
0
15-2
4.88
3.88
8.76
7
9
9-2
4.36
3.55
7.91
4
6
3-1
3.00
3.75
6.75
1
3
21-3
4.96
3.75
8.71
10
12
24-4
4.68
3.75
8.43
11
15
0-0
0.00
0.00
0.00
0
0
0-0
0.00
0.00
0.00
0
0
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