Splits are prorated to 162 games when based on full-game data and 650 PAs when not.
View unadjusted splits
Platoon Splits
Home or Away
First or Second Half
- Determined by All-Star Break
Position: Pitcher
Bats: Both • Throws: Right
6-5, 265lb (196cm, 120kg)
Team: Boston Red Sox (majors)
Born: September 30, 1987 in Willemstad, Curacao cw
Debut:
July 24, 2010
(Age 22-297d,
19,785th in major league history)
vs. NYM 1.0 IP, 0 H, 2 SO, 0 BB, 0 ER
Rookie Status: Exceeded rookie limits during 2011 season
2024 Contract Status: Signed thru 2024, 2 yrs/$32M (23-24)
Service Time (01/2024): 13.073 • Free Agent: 2025
Agents: Wasserman
Full Name: Kenley Geronimo Jansen
Nicknames: Kenleyfornia or Ma'montro
Pronunciation: \KEHN-lee JAN-sin\
Instagram: @kenleyjansen74
View Player Info from the B-R Bullpen
2024
Career
0.5
21.1
1
46
0
34
1.69
2.51
11
828
0
0
5
425
10.2
824.1
14
1173
1.219
0.960
Splits are prorated to 162 games when based on full-game data and 650 PAs when not.
View unadjusted splits
Season Totals