Kenley Jansen

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\

Twitter: @kenleyjansen74

Instagram: @kenleyjansen74

View Player Info from the B-R Bullpen

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SUMMARY

2024

Career

WAR

0.2

20.9

ERA

2.70

2.52

824

424

6.2

820.1

1168

WHIP

1.800

0.963

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Team Record in Appearances: 12-13

Days of Rest

Inning/Score Appearance Matrix

Multiple inning appearances: 5, Entered with runners on base: 4

2010 Pitching Game Log

Click two rows to sum games (Clear)

2010 Pitching Game Log
Rk	Gcar	Gtm	Date	Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	Pit	Str	StL	StS	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	Entered	Exited
1	1	98	Jul 24	LAD		NYM	W,3-2	7-7		99	1.0	0	0	0	0	2	0	0	0.00	-0.92	3	14	9	1	5	1	0	0	0	0		0	0	0	0	0	3	0	0	0	0	0	0	1.14	0.085	1.37	0.06%	0.47	7t --- 0 out tie	7t 3 out tie
2	2	99	Jul 25	LAD		NYM	W,1-0	9-GF	S(1)	0	1.0	0	0	0	0	2	0	0	0.00	-0.92	3	15	8	4	3	0	1	0	1	0		0	0	0	0	0	3	0	0	0	0	0	0	2.07	0.155	2.60	0.12%	0.47	9t --- 0 out a1	9t end a 1
3	3	102	Jul 29	LAD	@	SDP	L,2-3	7-7		3	1.0	1	0	0	0	1	0	0	0.00	-0.25	4	16	8	4	0	0	3	0	0	0		0	0	0	0	0	4	1	0	0	0	0	0	1.53	0.083	2.34	0.08%	0.44	7b --- 0 out tie	7b 3 out tie
Aug				Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	Pit	Str	StL	StS	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	Entered	Exited
4	4	109	Aug 5	LAD		SDP	L,0-5	7-7		6	1.0	1	0	0	0	1	0	0	0.00	0.08	4	18	12	3	4	1	2	0	1	0		0	0	0	0	0	4	0	0	0	0	0	0	.40	0.018	.39	0.01%	0.47	7t --- 0 out d3	7t 3 out d3
5	5	110	Aug 6	LAD		WSN	L,3-6	7-7		0	1.0	0	0	0	2	1	0	0	0.00	1.48	5	21	7	3	1	2	0	0	0	0		0	0	1	0	0	2	0	0	1	0	0	0	.52	0.018	.34	0.01%	0.47	7t --- 0 out d3	7t 3 out d3
6	6	112	Aug 8	LAD		WSN	W,8-3	7-7	H(1)	1	1.0	1	0	0	0	2	0	0	0.00	1.08	4	17	12	2	5	0	2	1	1	0		0	0	0	0	0	4	0	0	0	0	0	0	1.10	0.043	.71	0.02%	0.47	7t --- 0 out a3	7t 3 out a3
7	7	114	Aug 11	LAD	@	PHI	L,0-2	7-7		2	1.0	1	0	0	0	2	0	0	0.00	0.79	4	23	16	3	2	0	2	1	0	0		0	0	1	0	0	4	0	0	0	0	0	0	.45	0.023	.44	0.01%	0.50	7b --- 0 out d2	7b 3 out d2
8	8	115	Aug 12	LAD	@	PHI	L,9-10	8-8		0	0.1	1	0	0	0	0	0	0	0.00	0.90	2	11	7	1	0	2	0	0	0	0		1	1	0	0	0	2	0	0	0	0	0	0	.95	-0.010	.67	0.00%	-0.40	8b -2- 0 out a4	8b 1-- 1 out a3
9	9	117	Aug 14	LAD	@	ATL	W,2-1	7-7	H(2)	1	0.1	1	1	1	1	1	0	0	1.17	1.12	3	17	9	2	0	0	1	1	0	0		0	0	0	0	0	2	1	0	0	0	0	0	2.07	-0.157	.81	-0.04%	-0.90	7b --- 0 out a2	7b -23 1 out a2
10	10	120	Aug 17	LAD		COL	W,6-0	8-8		2	0.0	1	0	0	1	0	0	0	1.17	1.51	2	6	1	0	0	1	0	0	0	0		0	0	0	0	0	1	0	0	0	0	0	0	.37	-0.035	.09	-0.01%	-0.98	8t --- 0 out a5	8t 12- 0 out a5
11	11	123	Aug 20	LAD		CIN	L,1-3	6-7		2	2.0	0	0	0	2	1	0	0	0.93	2.25	7	33	20	6	4	2	2	0	1	0		0	0	0	0	0	5	0	0	0	1	0	0	.53	0.066	.13	0.01%	0.94	6t --- 0 out d2	7t 3 out d2
12	12	128	Aug 26	LAD	@	MIL	W,7-1	6-7	H(3)	5	2.0	0	0	0	1	4	0	0	0.77	1.96	7	32	18	8	5	0	2	1	0	0		0	0	0	0	0	6	0	0	0	0	0	0	.46	0.064	.14	0.01%	0.98	6b --- 0 out a3	7b 3 out a6
13	13	131	Aug 29	LAD	@	COL	L,5-10	6-7		2	2.0	0	0	0	2	3	0	0	0.66	2.13	8	36	21	7	7	0	3	1	1	0		0	0	0	0	0	6	0	0	0	0	0	0	.04	0.006	.02	0.00%	1.12	6b --- 0 out d6	7b 3 out d6
Sep/Oct				Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	Pit	Str	StL	StS	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	Entered	Exited
14	14	134	Sep 1	LAD		PHI	L,1-5	7-7		2	1.0	1	1	1	2	2	0	0	1.23	2.33	6	25	11	2	5	1	1	0	0	0		0	0	1	0	0	4	1	0	0	0	0	0	.53	-0.058	.19	-0.01%	-0.53	7t --- 0 out d2	7t 3 out d3
15	15	138	Sep 6	LAD	@	SDP	L,2-4	8-GF(8)		4	1.0	1	0	0	0	3	0	0	1.15	1.99	4	17	11	3	4	1	0	0	0	0		0	0	0	0	0	4	0	0	0	0	0	0	.25	0.011	.03	0.00%	0.44	8b --- 0 out d2	8b end d 2
16	16	139	Sep 7	LAD	@	SDP	L,1-2	8-GF(8)		0	1.0	0	0	0	0	2	0	0	1.08	1.82	3	10	8	2	3	1	0	0	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.36	0.026	.01	0.00%	0.44	8b --- 0 out d1	8b end d 1
17	17	141	Sep 9	LAD	@	HOU	L,2-3	8-GF(8)		1	1.0	0	0	0	0	2	0	0	1.02	1.66	3	11	8	0	3	0	1	0	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.39	0.029	.00	0.00%	0.47	8b --- 0 out d1	8b end d 1
18	18	143	Sep 11	LAD	@	HOU	W,6-3	8-8	W(1-0)	1	1.0	0	0	0	0	0	0	0	0.96	1.74	3	8	7	3	1	2	1	1	0	0		0	0	0	0	0	3	0	0	0	0	0	0	1.39	0.103	.01	0.00%	0.47	8b --- 0 out tie	8b 3 out tie
19	19	146	Sep 15	LAD	@	SFG	L,1-2	8-GF(8)		3	1.0	0	0	0	0	1	0	0	0.92	1.71	4	14	10	1	2	1	2	0	0	0		2	1	0	0	0	4	0	0	0	0	0	0	.76	-0.012	.00	0.00%	0.45	8b 12- 0 out d1	8b end d 2
20	20	150	Sep 19	LAD		COL	W,7-6	7-8		3	2.0	1	0	0	1	2	0	0	0.83	1.79	8	40	28	5	4	1	4	0	2	0		0	0	1	0	0	7	0	0	0	0	0	0	.75	0.079	.00	0.00%	0.94	7t --- 0 out d2	8t 3 out d1
21	21	152	Sep 22	LAD		SDP	L,1-3	8-8		2	1.0	0	0	0	0	0	0	1	0.79	1.98	4	13	9	3	2	2	1	0	1	0		0	0	0	0	0	3	0	0	0	0	0	0	.37	0.025	.00	0.00%	0.47	8t --- 0 out d2	8t 3 out d2
22	22	154	Sep 24	LAD	@	ARI	W,3-1	9-GF	S(2)	1	1.0	0	0	0	1	2	0	0	0.76	1.98	4	22	13	2	1	0	1	0	1	0		1	0	0	0	0	3	0	0	0	0	0	0	3.54	0.202	.00	0.00%	1.14	9b -2- 0 out a2	9b end a 2
23	23	158	Sep 28	LAD	@	COL	W,9-7	8-GF	S(3)	3	1.1	1	0	0	2	2	0	0	0.72	2.12	7	36	21	6	4	0	3	1	2	0		2	1	0	0	0	5	0	0	0	0	0	0	3.61	0.100	.00	0.00%	0.03	8b 12- 2 out a2	9b end a 2
24	24	161	Oct 2	LAD		ARI	W,3-2	9-GF	S(4)	3	1.0	1	0	0	0	3	0	0	0.69	1.93	4	15	12	4	3	0	1	1	0	0		0	0	1	0	0	4	0	0	0	0	0	0	3.33	0.155	.00	0.00%	0.47	9t --- 0 out a1	9t end a 1
25	25	162	Oct 3	LAD		ARI	W,3-1	8-8	H(4)	0	1.0	0	0	0	0	2	0	0	0.67	1.82	3	14	9	5	1	1	0	0	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.94	0.070	.00	0.00%	0.47	8t --- 0 out a2	8t 3 out a2
							12-13		W-L:1-0,Sv:4,Hld:4	2.0	27.0	12	2	2	15	41	0	1	0.67	1.82	109	484	61%	17%	14%	0.58		15%	21%	0		6	50%	5	0	0	92	3	0	1	1	0	0	1.11	1.089	.32	0.27%	9.29

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