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: 25-26

Days of Rest

Inning/Score Appearance Matrix

Multiple inning appearances: 12, Entered with runners on base: 13

2011 Pitching Game Log

Click two rows to sum games (Clear)

2011 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	26	3	Apr 2	LAD		SFG	L,0-10	6-6		99	1.0	4	4	4	2	2	0	0	36.00	5.03	9	42	21	5	7	1	4	1	2	0		0	0	1	0	0	7	1	0	0	0	0	0	.20	-0.061	.23	-0.04%	-3.56	6t --- 0 out d4	6t 3 out d8
2	27	6	Apr 6	LAD	@	COL	L,5-7	5-6		3	2.0	1	0	0	0	2	0	0	12.00	2.36	7	31	21	6	5	3	2	1	0	0		0	0	0	0	0	7	0	0	0	0	0	0	.28	0.043	.31	0.03%	1.09	5b --- 0 out d3	6b 3 out d3
3	28	7	Apr 8 susp	LAD	@	SDP	W,4-2	6-6		1	1.0	0	0	0	1	2	0	0	9.00	2.28	4	19	11	5	2	0	1	0	1	0		0	0	1	0	0	3	0	0	0	0	0	0	1.22	0.070	1.33	0.05%	0.43	6b --- 0 out tie	6b 3 out tie
4	29	9	Apr 10	LAD	@	SDP	L,2-7	6-7		1	1.1	2	1	1	0	2	1	0	8.44	4.15	6	25	16	6	5	1	3	1	0	0		1	0	1	0	0	6	0	0	0	0	0	0	.23	-0.031	.27	-0.02%	-0.28	6b -2- 2 out d3	7b 3 out d3
5	30	11	Apr 12	LAD	@	SFG	L,4-5	6-6		1	1.0	0	0	0	1	1	0	0	7.11	4.13	4	23	13	4	2	1	1	0	0	0		0	0	1	0	0	3	0	0	0	0	0	0	.70	0.040	.82	0.03%	0.42	6b --- 0 out d1	6b 3 out d1
6	31	14	Apr 15	LAD		STL	L,2-11	5-5		2	1.0	3	1	1	0	3	1	0	7.36	4.93	6	31	19	5	5	2	1	0	0	0		1	1	0	0	0	6	0	0	0	0	0	0	.44	-0.081	.40	-0.04%	-0.95	5t -2- 0 out d2	5t 3 out d4
7	32	15	Apr 16	LAD		STL	L,2-9	7-7		0	1.0	0	0	0	0	1	0	0	6.48	4.47	3	11	8	4	1	0	2	1	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.06	0.005	.05	0.00%	0.44	7t --- 0 out d5	7t 3 out d5
8	33	18	Apr 19	LAD		ATL	L,1-10	9-9		2	0.1	3	5	5	2	0	1	0	11.42	6.60	6	27	14	5	0	0	4	2	0	0		0	0	0	0	0	4	0	0	0	0	0	0	.35	-0.138	.32	-0.08%	-3.41	9t --- 0 out d1	9t 12- 1 out d4
9	34	21	Apr 22	LAD	@	CHC	W,12-2	7-8		2	1.2	0	0	0	0	4	0	0	9.58	5.25	5	24	15	7	3	0	1	1	0	0		3	0	0	0	0	5	0	0	0	0	0	0	.22	0.025	.21	0.02%	1.99	7b 123 1 out a7	8b 3 out a7
10	35	25	Apr 26	LAD	@	FLA	L,2-4	7-GF(8)		3	2.0	0	0	0	1	3	0	0	8.03	4.65	7	38	24	5	6	1	2	0	0	0		0	0	0	0	0	6	0	0	0	0	0	0	.21	0.033	.21	0.02%	0.92	7b --- 0 out d2	8b end d 2
11	36	28	Apr 30	LAD		SDP	L,2-5	9-GF		3	1.0	0	0	0	1	2	0	0	7.43	4.45	4	23	16	1	7	0	1	0	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.13	0.006	.15	0.00%	0.44	9t --- 0 out d3	9t end d 3
May				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
12	37	33	May 6	LAD	@	NYM	L,3-6	8-GF(8)		5	1.0	1	0	0	1	3	0	0	6.91	4.14	5	24	14	6	3	0	1	1	0	0		0	0	0	0	0	4	1	0	0	0	0	0	.09	0.005	.08	0.00%	0.44	8b --- 0 out d3	8b end d 3
13	38	35	May 8	LAD	@	NYM	W,4-2	7-7	H(1)	1	0.1	0	0	0	1	0	0	0	6.75	4.32	2	11	5	2	2	0	1	0	0	0		2	0	1	0	0	1	0	0	0	0	0	0	2.62	0.050	2.04	0.02%	0.46	7b 1-3 2 out a3	7b 3 out a3
14	39	39	May 13	LAD		ARI	W,4-3	9-GF	S(1)	4	0.1	0	0	0	0	1	0	0	6.60	4.16	1	4	4	0	1	0	0	0	0	0		2	0	0	0	0	1	0	0	0	0	0	0	5.39	0.134	5.31	0.08%	0.40	9t 12- 2 out a1	9t end a 1
15	40	40	May 14	LAD		ARI	L,0-1	9-GF		0	1.0	0	0	0	0	2	0	0	6.19	3.84	3	15	12	4	2	0	1	0	1	0		0	0	0	0	0	3	0	0	0	0	0	0	.43	0.031	.46	0.02%	0.44	9t --- 0 out d1	9t end d 1
16	41	42	May 16	LAD		MIL	L,1-2	7-7		1	1.0	1	0	0	0	1	0	0	5.82	3.67	4	14	11	2	0	3	0	0	0	0		0	0	0	0	0	4	0	0	0	0	0	0	.71	0.049	.59	0.02%	0.44	7t --- 0 out d1	7t 3 out d1
17	42	43	May 17	LAD		MIL	W,3-0	8-8	H(2)	0	0.1	0	0	0	1	0	0	0	5.71	3.83	2	10	3	1	0	0	1	0	1	0		1	0	0	0	0	1	0	0	0	0	0	0	2.14	0.042	1.64	0.02%	0.33	8t --3 2 out a2	8t 3 out a2
18	43	46	May 20	LAD	@	CHW	W,6-4	8-9	W(1-0)	2	2.0	1	0	0	0	2	0	0	5.12	3.54	7	32	23	5	2	1	4	1	1	0		0	0	0	0	0	7	0	0	0	0	0	0	1.32	0.177	.85	0.07%	1.06	8b --- 0 out d1	9b 3 out tie
19	44	49	May 23	LAD	@	HOU	L,3-4	9-GF	BL(1-1)	2	0.2	3	3	3	1	2	0	1	6.30	3.63	7	38	23	7	5	1	2	2	0	0		0	0	2	0	0	5	1	0	0	0	0	0	2.70	-0.920	1.59	-0.33%	-2.96	9b --- 0 out a2	9b end d 1
20	45	53	May 28	LAD		FLA	L,1-6	7-7		4	1.0	1	1	1	2	2	0	0	6.43	3.69	6	30	15	2	3	1	1	1	0	0		0	0	0	0	0	4	0	0	0	0	0	0	.25	-0.019	.16	-0.01%	-0.56	7t --- 0 out d4	7t 3 out d5
Jun				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
21	46	72	Jun 18	LAD		HOU	L,0-7	6-6		20	1.0	1	0	0	0	1	0	0	6.14	3.57	4	19	14	1	6	1	2	1	1	0		0	0	0	0	0	4	0	0	0	0	0	0	.12	0.007	.04	0.00%	0.44	6t --- 0 out d5	6t 3 out d5
22	47	76	Jun 22	LAD		DET	L,5-7	6-7		3	1.2	0	0	0	2	4	0	0	5.70	3.45	7	30	17	2	8	0	1	0	0	0		0	0	0	0	0	5	0	0	0	0	0	0	.92	0.055	.42	0.02%	0.48	6t --- 0 out d1	7t 12- 2 out d1
23	48	78	Jun 25	LAD		LAA	L,1-6	6-7		2	2.0	0	0	0	0	2	0	0	5.26	3.26	6	30	20	6	4	1	3	1	0	0		0	0	0	0	0	6	0	0	0	0	0	0	.67	0.098	.16	0.01%	0.88	6t --- 0 out d1	7t 3 out d1
24	49	81	Jun 28	LAD	@	MIN	L,4-6	5-6		2	1.1	0	0	0	1	2	0	0	5.00	3.21	5	21	10	5	1	0	2	0	0	0		0	0	0	0	0	4	0	0	0	0	0	0	.44	0.036	.15	0.01%	0.60	5b --- 2 out d2	6b 3 out d2
Jul				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
25	50	84	Jul 2	LAD	@	LAA	L,1-7	7-7		3	1.0	0	0	0	0	0	0	0	4.82	3.20	3	14	9	2	1	0	3	0	1	0		0	0	0	0	0	3	0	0	0	0	0	0	.02	0.001	.00	0.00%	0.46	7b --- 0 out d6	7b 3 out d6
26	51	87	Jul 5	LAD		NYM	L,0-6	9-GF		2	1.0	0	0	0	0	0	0	0	4.66	3.20	3	7	5	1	0	1	2	0	1	0		0	0	0	0	0	3	0	0	0	0	0	0	.00	0.000	.00	0.00%	0.44	9t --- 0 out d6	9t end d 6
27	52	89	Jul 7	LAD		NYM	W,6-0	9-9		1	0.1	1	0	0	2	1	0	0	4.60	3.33	4	18	8	2	3	0	1	1	0	0		0	0	0	0	0	2	0	0	0	0	0	0	.09	-0.009	.01	0.00%	-1.06	9t --- 0 out a6	9t 123 1 out a6
28	53	92	Jul 10	LAD		SDP	W,4-1	6-7	H(3)	2	1.1	0	0	0	1	3	0	0	4.40	3.22	5	20	15	4	7	0	1	0	1	0		0	0	0	0	0	4	0	0	0	0	0	0	.92	0.053	.10	0.00%	0.41	6t --- 0 out a2	7t 1-- 1 out a2
29	54	95	Jul 17	LAD	@	ARI	L,1-4	8-GF(8)		6	1.0	1	0	0	0	3	0	0	4.26	3.03	4	21	14	3	4	0	1	1	0	0		0	0	0	0	0	4	0	0	0	0	0	0	.10	0.006	.02	0.00%	0.47	8b --- 0 out d3	8b end d 3
30	55	97	Jul 19	LAD	@	SFG	L,3-5	6-6		1	1.0	0	0	0	1	1	0	0	4.13	3.06	4	15	10	4	1	1	1	0	0	0		0	0	0	0	0	3	0	0	0	0	0	0	1.32	0.070	.10	0.00%	0.42	6b --- 0 out tie	6b 3 out tie
31	56	99	Jul 22	LAD		WSN	L,2-7	7-8		2	1.1	0	0	0	0	4	0	0	3.97	2.82	4	17	12	7	5	0	0	0	0	0		2	0	0	0	0	4	0	0	0	0	0	0	.89	0.087	.04	0.00%	0.84	7t 12- 2 out d1	8t 3 out d1
32	57	101	Jul 24	LAD		WSN	W,3-1	8-8	H(4)	1	1.0	0	0	0	0	1	0	0	3.86	2.77	3	10	7	1	2	1	1	0	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.90	0.066	.03	0.00%	0.44	8t --- 0 out a2	8t 3 out a2
33	58	102	Jul 25	LAD		COL	W,8-5	8-8		0	1.0	0	0	0	0	2	0	0	3.75	2.66	3	12	9	3	3	0	1	0	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.25	0.019	.01	0.00%	0.44	8t --- 0 out a4	8t 3 out a4
34	59	103	Jul 26	LAD		COL	W,3-2	9-GF	S(2)	0	1.0	0	0	0	0	2	0	0	3.65	2.57	3	7	7	2	2	0	1	0	1	0		0	0	0	0	0	3	0	0	0	0	0	0	2.02	0.148	.12	0.01%	0.44	9t --- 0 out a1	9t end a 1
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
35	60	130	Aug 26	LAD		COL	W,6-1	8-8		30	1.0	0	0	0	0	0	0	0	3.55	2.58	3	14	9	2	2	1	2	0	1	0		0	0	0	0	0	3	0	0	0	0	0	0	.12	0.009	.00	0.00%	0.44	8t --- 0 out a5	8t 3 out a5
36	61	132	Aug 28	LAD		COL	L,6-7	9-GF		1	1.0	0	0	0	1	1	0	0	3.46	2.61	3	11	5	1	2	1	0	0	0	0		0	0	0	0	0	2	0	0	0	0	0	0	.58	0.031	.01	0.00%	0.44	9t --- 0 out d1	9t end d 1
37	62	134	Aug 30	LAD		SDP	W,8-5	8-8	H(5)	1	1.0	0	0	0	1	2	0	0	3.38	2.60	4	20	13	4	3	0	1	0	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.71	0.036	.01	0.00%	0.44	8t --- 0 out a3	8t 3 out a3
Sept				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
38	63	136	Sep 1	LAD	@	PIT	W,6-4	9-GF	S(3)	1	1.0	1	1	1	1	2	0	0	3.51	2.59	5	19	11	4	4	1	1	0	0	0		0	0	0	0	0	3	0	0	0	0	1	0	1.92	0.033	.01	0.00%	-0.57	9b --- 0 out a3	9b end a 2
39	64	138	Sep 3	LAD	@	ATL	W,2-1	7-8		1	1.2	1	0	0	0	4	0	0	3.38	2.42	6	28	23	9	6	0	2	1	0	0		1	0	0	0	0	6	0	0	0	0	0	0	1.96	0.189	.04	0.00%	0.95	7b 1-- 1 out tie	8b 3 out tie
40	65	141	Sep 6	LAD	@	WSN	W,7-3	7-7	W(2-1)	2	1.0	0	0	0	0	3	0	1	3.30	2.36	4	16	11	4	3	0	0	0	0	0		0	0	0	0	0	3	0	0	0	0	0	0	1.53	0.084	.01	0.00%	0.46	7b --- 0 out tie	7b 3 out tie
41	66	142	Sep 8	LAD	@	WSN	W,7-4	7-7		1	1.0	0	0	0	0	2	0	0	3.22	2.29	3	12	10	2	4	1	0	0	0	0		0	0	0	0	0	3	0	0	0	0	0	0	1.14	0.084	.00	0.00%	0.46	7b --- 0 out tie	7b 3 out tie
42	67	144	Sep 10	LAD	@	SFG	W,3-0	8-8	H(6)	1	1.0	1	0	0	0	2	0	0	3.15	2.21	4	13	10	5	3	1	1	1	0	0		1	0	0	0	0	4	0	0	0	0	0	0	2.37	0.085	.01	0.00%	0.79	8b 1-- 0 out a3	8b 3 out a3
43	68	147	Sep 13	LAD		ARI	L,4-5	7-8		2	1.1	1	0	0	0	3	0	0	3.06	2.11	5	24	16	5	4	1	1	0	0	0		0	0	0	0	0	5	1	0	0	0	0	0	1.52	0.118	.00	0.00%	0.53	7t --- 2 out tie	8t 3 out tie
44	69	148	Sep 14	LAD		ARI	W,3-2	9-GF	S(4)	0	1.0	2	1	1	0	3	0	0	3.19	2.00	5	22	17	5	5	1	1	1	0	0		0	0	0	0	0	5	0	0	0	0	0	0	1.86	0.064	.00	0.00%	-0.56	9t --- 0 out a2	9t end a 1
45	70	151	Sep 17	LAD		PIT	W,6-1	8-8	H(7)	2	0.2	0	0	0	0	2	0	0	3.14	1.94	2	9	6	2	3	0	0	0	0	0		3	0	0	0	0	2	0	0	0	0	0	0	1.05	0.048	.00	0.00%	1.50	8t 123 1 out a5	8t 3 out a5
46	71	153	Sep 20	LAD		SFG	W,2-1	8-8	H(8)	2	0.2	0	0	0	0	2	0	0	3.10	1.87	2	7	6	3	2	0	0	0	0	0		2	0	0	0	0	2	0	0	0	0	0	0	4.47	0.208	.00	0.00%	0.84	8t 12- 1 out a1	8t 3 out a1
47	72	155	Sep 22	LAD		SFG	W,8-2	8-8		1	1.0	0	0	0	1	1	0	0	3.04	1.91	4	18	12	4	4	0	2	0	1	0		1	0	0	0	0	3	0	0	0	0	0	0	1.12	0.040	.00	0.00%	0.81	8t 1-- 0 out a4	8t 3 out a4
48	73	156	Sep 23	LAD	@	SDP	W,2-0	8-8	H(9)	0	1.0	0	0	0	0	3	0	0	2.98	1.82	3	19	13	5	2	0	0	0	0	0		0	0	0	0	0	3	0	0	0	0	0	0	1.04	0.075	.00	0.00%	0.43	8b --- 0 out a2	8b 3 out a2
49	74	158	Sep 25	LAD	@	SDP	W,6-2	8-8		1	0.2	0	0	0	0	2	0	0	2.94	1.76	2	11	6	2	4	0	0	0	0	0		1	0	0	0	0	2	0	0	0	0	0	0	.55	0.032	.00	0.00%	0.89	8b --3 1 out a4	8b 3 out a4
50	75	160	Sep 27	LAD	@	ARI	L,6-7	8-8		1	1.0	1	0	0	1	3	0	0	2.89	1.72	5	19	13	5	3	1	0	0	0	0		0	0	0	0	0	4	0	0	0	0	0	0	2.52	0.103	.00	0.00%	0.47	8b --- 0 out tie	8b 3 out tie
51	76	161	Sep 28	LAD	@	ARI	W,7-5	9-GF	S(5)	0	0.2	0	0	0	0	0	0	0	2.85	1.74	2	7	4	2	0	0	2	0	0	0		0	0	0	0	0	2	0	0	0	0	0	0	.83	0.041	.00	0.00%	0.25	9b --- 1 out a2	9b end a 2
							25-26		W-L:2-1,Sv:5,BSv:1,Hld:9	1.6	53.2	30	17	17	26	96	3	2	2.85	1.74	218	982	64%	19%	16%	0.42		20%	14%	0		21	5%	7	0	0	189	4	0	0	0	1	0	.96	1.377	.31	-0.08%	11.84

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