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

0.4

21.0

ERA

2.84

2.53

830

426

12.2

826.1

1178

WHIP

1.263

0.961

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Team Record in Appearances: 24-3

Days of Rest

Inning/Score Appearance Matrix

Multiple inning appearances: 1, Entered with runners on base: 7

2020 Pitching Game Log

Click two rows to sum games (Clear)

2020 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	606	4	Jul 26	LAD		SFG	L,1-3	9-GF		99	1.0	0	0	0	0	1	0	0	0.00	1.19	3	10	7	2	1	0	2	2	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.26	0.020	.31	0.01%	0.54	9t --- 0 out d2	9t end d 2
2	607	5	Jul 28	LAD	@	HOU	W,5-2	9-GF	S(1)	1	1.0	1	0	0	0	0	0	0	0.00	2.19	4	17	11	1	4	0	4	1	2	0		0	0	0	0	0	4	1	0	0	0	0	0	.86	0.046	.93	0.03%	0.54	9b --- 0 out a3	9b end a 3
3	608	6	Jul 29	LAD	@	HOU	W,4-2	9-9		0	1.0	0	0	0	2	1	0	0	0.00	3.86	5			0	4	0	2	0	0	0		0	0	0	0	0	3	0	0	0	0	0	0	2.78	0.146	3.07	0.10%	0.54	9b --- 0 out tie	9b 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	609	10	Aug 2	LAD	@	ARI	W,3-0	9-GF	S(2)	3	1.0	0	0	0	0	2	0	1	0.00	3.44	4	21	14	2	2	0	1	0	0	0		0	0	1	0	0	3	0	0	0	0	0	0	1.10	0.046	1.28	0.03%	0.54	9b --- 0 out a3	9b end a 3
5	610	12	Aug 4	LAD	@	SDP	W,5-2	9-GF	S(3)	1	1.0	0	0	0	0	1	0	0	0.00	2.99	3	11	9	3	1	1	1	1	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.54	0.042	.68	0.03%	0.51	9b --- 0 out a3	9b end a 3
6	611	13	Aug 5	LAD	@	SDP	W,7-6	9-GF	S(4)	0	1.0	2	1	1	1	1	0	0	1.50	3.19	5	20	14	3	2	1	2	2	0	0		0	0	0	0	0	4	0	0	0	0	0	0	3.54	0.093	4.16	0.07%	-0.49	9b --- 0 out a2	9b end a 1
7	612	16	Aug 9	LAD		SFG	W,6-2	9-GF		3	1.0	0	0	0	0	1	0	0	1.29	2.91	3	12	9	1	1	0	2	0	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.21	0.016	.24	0.01%	0.54	9t --- 0 out a4	9t end a 4
8	613	19	Aug 12	LAD		SDP	W,6-0	9-GF		2	1.0	0	0	0	0	2	0	0	1.13	2.44	3	16	12	1	4	1	0	0	0	0		3	0	0	0	0	3	0	0	0	0	0	0	.51	0.035	.63	0.03%	2.39	9t 123 0 out a6	9t end a 6
9	614	21	Aug 14	LAD	@	LAA	W,7-4	9-GF	S(5)	1	0.1	0	0	0	0	1	0	0	1.08	2.23	1	6	5	2	1	0	0	0	0	0		1	0	0	0	0	1	0	0	0	0	0	0	.62	0.018	.57	0.01%	0.34	9b -2- 2 out a3	9b end a 3
10	615	22	Aug 15	LAD	@	LAA	W,6-5	10-GF(10)	S(6)	0	1.0	0	0	0	0	2	0	0	0.96	1.91	3	8	7	4	1	0	1	0	0	0		0	0	0	0	0	3	0	0	0	0	0	0	4.79	0.456	3.94	0.23%	1.17	10b -2- 0 out a1	10b end a 1
11	616	24	Aug 17	LAD		SEA	W,11-9	9-GF	S(7)	1	1.0	1	0	0	1	1	0	0	0.87	2.13	5	26	16	5	2	0	3	0	2	0		0	0	0	0	0	4	0	0	0	0	0	0	3.15	0.080	2.00	0.03%	0.54	9t --- 0 out a2	9t end a 2
12	617	28	Aug 21	LAD		COL	W,5-1	9-GF		3	1.0	0	0	0	0	0	0	0	0.79	2.22	3	7	6	2	0	1	2	0	2	0		0	0	0	0	0	3	0	0	0	0	0	0	.21	0.016	.11	0.01%	0.54	9t --- 0 out a4	9t end a 4
13	618	29	Aug 22	LAD		COL	W,4-3	9-GF	W(1-0)	0	0.1	0	0	0	0	1	0	0	0.77	2.08	1	5	4	0	3	0	0	0	0	0		1	0	0	0	0	1	0	0	0	0	0	0	2.38	0.068	.88	0.02%	0.25	9t 1-- 2 out tie	9t end tie
14	619	31	Aug 25	LAD	@	SFG	L,8-10	9-9	BS(1)	2	1.0	1	1	1	0	2	1	0	1.42	2.88	4			0	5	0	2	0	0	0		0	0	0	0	0	4	0	0	0	0	0	0	2.37	-0.293	.58	-0.04%	-0.48	9b --- 0 out a1	9b 3 out tie
15	620	33	Aug 27(2)	LAD	@	SFG	W,2-0	7-GF(7)	S(8)	1	1.0	1	0	0	1	3	0	0	1.32	2.68	5	22	13	2	3	1	0	0	0	0		0	0	0	0	0	4	0	0	0	0	0	0	2.64	0.095	.76	0.02%	0.52	7b --- 0 out a2	7b end a 2
16	621	35	Aug 29	LAD	@	TEX	W,7-4	9-GF	S(9)	1	1.0	0	0	0	1	2	0	0	1.23	2.65	4	23	13	4	3	1	0	0	0	0		0	0	0	0	0	3	0	0	0	0	0	0	1.16	0.044	.20	0.00%	0.53	9b --- 0 out a3	9b end a 3
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
17	622	37	Sep 1	LAD		ARI	W,6-3	9-GF	S(10)	2	0.1	0	0	0	0	1	0	0	1.20	2.52	1			0	3	0	0	0	0	0		1	0	0	0	0	1	0	0	0	0	0	0	.41	0.013	.05	0.00%	0.25	9t 1-- 2 out a3	9t end a 3
18	623	38	Sep 2	LAD		ARI	W,3-2	10-GF(10)	W(2-0)	0	1.0	0	1	0	2	1	0	1	1.13	3.00	6	25	12	4	4	0	2	0	1	0		0	0	0	0	0	3	0	0	0	0	0	0	4.33	-0.042	.35	0.00%	0.17	10t -2- 0 out tie	10t end d 1
19	624	40	Sep 4	LAD		COL	W,10-6	9-GF		1	1.0	1	0	0	0	1	0	1	1.06	3.07	5	21	15	2	2	0	3	0	1	0		0	0	0	0	0	4	0	0	0	0	0	0	.42	0.016	.02	0.00%	0.54	9t --- 0 out a4	9t end a 4
20	625	43	Sep 8	LAD	@	ARI	W,10-9	9-GF(10)	W(3-0)	3	1.1	3	3	2	0	1	1	0	1.96	3.68	6			7	2	3	2	2	0	0		1	0	1	0	0	6	1	0	0	0	0	0	1.97	0.115	.13	0.01%	-1.58	9b 1-- 2 out tie	10b end a 1
21	626	46	Sep 12	LAD		HOU	L,5-7	9-9	BL(3-1)	3	0.0	6	5	5	0	0	0	0	4.42	3.68	6	21	18	2	6	1	5	5	0	0		0	0	0	0	0	6	1	0	0	0	0	0	2.82	-0.884	.26	-0.05%	-5.35	9t --- 0 out a3	9t 1-3 0 out d1
22	627	47	Sep 13	LAD		HOU	W,8-1	9-GF		0	1.0	0	0	0	0	1	0	0	4.19	3.55	3	15	11	2	1	1	1	0	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.01	0.001	.00	0.00%	0.54	9t --- 0 out a7	9t end a 7
23	628	49	Sep 15	LAD	@	SDP	W,3-1	9-GF	S(11)	1	1.0	2	0	0	1	2	0	0	3.98	3.49	6	28	16	4	5	1	2	1	0	0		0	0	0	0	0	5	0	0	0	0	0	0	4.12	0.093	.77	0.01%	0.51	9b --- 0 out a2	9b end a 2
24	629	53	Sep 19	LAD	@	COL	W,6-1	9-GF		3	1.0	0	0	0	0	1	0	0	3.80	3.38	3	9	7	2	2	0	2	2	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.15	0.012	.00	0.00%	0.62	9b --- 0 out a5	9b end a 5
25	630	57	Sep 24	LAD		OAK	W,5-1	9-GF		4	1.0	0	0	0	0	2	0	0	3.63	3.19	3	14	8	3	4	0	1	0	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.21	0.016	.00	0.00%	0.54	9t --- 0 out a4	9t end a 4
26	631	58	Sep 25	LAD		LAA	W,9-5	9-GF		0	1.0	1	0	0	0	1	0	0	3.47	3.11	4	27	19	6	0	2	1	1	0	0		0	0	0	0	0	4	0	0	0	0	0	0	.45	0.016	.00	0.00%	0.54	9t --- 0 out a4	9t end a 4
27	632	60	Sep 27	LAD		LAA	W,5-0	9-GF		1	1.0	0	0	0	0	1	0	0	3.33	3.03	3	9	6	2	1	1	1	1	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.09	0.007	.00	0.00%	0.54	9t --- 0 out a5	9t end a 5
							24-3		W-L:3-1,Sv:11,BSv:2	1.4	24.1	19	11	9	9	33	2	3	3.33	3.03	102	373	68%	18%	18%	0.36		32%	14%	0		7	0%	2	0	0	90	3	0	0	0	0	0	1.81	0.291	.84	0.54%	5.87

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