Kenley Jansen

Position: Pitcher

Bats: Both • Throws: Right

6-5, 265lb (196cm, 120kg)

Team: Detroit Tigers (majors)

Born: September 30, 1987 in Willemstad, Curacao cw

Debut: July 24, 2010 (Age 22-297d, 19,721st 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

2026 Contract Status: Signed thru 2026, 1 yr/$11M (26) & 27 team option

Service Time (01/2026): 15.073 • Free Agent: 2027

Agents: Wasserman

Full Name: Kenley Geronimo Jansen

Nicknames: Kenleyfornia or Ma'montro

Pronunciation: \KEHN-lee JAN-sin\

Instagram: @kenleyjansen74

SUMMARY

2026

Career

WAR

-0.1

23.9

ERA

4.98

2.63

958

486

21.2

949.0

1301

WHIP

1.200

0.967

Kenley Jansen Menu

Year-by-Year Splits: COL-Coors Fld

Year-by-Year Splits: COL-Coors Fld
Year	G	PA	AB	R	H	2B	3B	HR	SB	BB	SO	SO/W	BA	OBP	SLG	OPS	TB	GDP	HBP	SF	ROE	BAbip	tOPS+	sOPS+
2010	2	15	11	0	1	0	0	0	0	4	5	1.25	.091	.333	.091	.424	1	0	0	0	0	.167	84	17
2011	1	7	7	0	1	0	0	0	0	0	2		.143	.143	.143	.286	1	0	0	0	0	.200	17	-27
2012	3	14	13	5	6	1	2	0	0	0	3		.462	.429	.846	1.275	11	0	0	1	0	.545	395	186
2013	3	14	11	2	2	0	0	1	1	2	0	0.00	.182	.357	.455	.812	5	1	1	0	0	.100	218	107
2014	1	3	3	0	0	0	0	0	0	0	1		.000	.000	.000	.000	0	0	0	0	0	.000	-100	-100
2015	1	4	4	0	1	1	0	0	0	0	2		.250	.250	.500	.750	2	0	0	0	0	.500	184	72
2016	4	14	13	0	1	0	0	0	0	1	8	8.00	.077	.143	.077	.220	1	0	0	0	0	.200	4	-45
2017	4	18	18	2	5	0	1	0	0	0	6		.278	.278	.389	.667	7	0	0	0	0	.417	179	61
2018	2	11	10	1	3	0	0	0	0	1	1	1.00	.300	.364	.300	.664	3	0	0	0	0	.333	122	70
2019	3	12	12	0	3	1	0	0	0	0	3		.250	.250	.333	.583	4	2	0	0	1	.333	80	33
2020	1	3	3	0	0	0	0	0	0	0	1		.000	.000	.000	.000	0	0	0	0	0	.000	-100	-100
2021	4	20	17	1	3	1	0	0	0	3	4	1.33	.176	.300	.235	.535	4	0	0	0	0	.231	113	42
2022	2	9	9	2	3	1	0	1	0	0	3		.333	.333	.778	1.111	7	0	0	0	0	.400	251	164
Career	31	144	131	13	29	5	3	2	1	11	39	3.55	.221	.285	.351	.636	46	3	1	1	1	.297	128