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

0.3

20.9

ERA

2.70

2.52

824

424

6.2

820.1

1168

WHIP

1.800

0.963

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Summary

Team Record in Appearances	54-5 / in Starts: 0-0
Longest Hitting Streak	1 game
Longest On Base Streak	1 game
Most Games w/o HR	4 games
Most Games w/o RBI	3 games
Grand Slams	No bases loaded PA
Go-Ahead Hits:	0

RBI Opportunities

RBIs
in 4 PAs	1
Actual Runners on Base	4 (3-1-0)
Avg. MLBer w/ 4 PAs	0
Avg. Runners on Base	2 (1-0-0)

Most Driven In
L Forsythe	1

2017 Batting Game Log

Click two rows to sum games (Clear)

2017 Batting Game Log
Rk	Gcar	Gtm	Date	Tm		Opp	Rslt	Inngs	PA	AB	R	H	2B	3B	HR	RBI	BB	IBB	SO	HBP	SH	SF	ROE	GDP	SB	CS	BA	OBP	SLG	OPS	BOP	aLI	WPA	acLI	cWPA	RE24	Pos
1	392	3 (2)	Apr 5	LAD		SDP	W,3-1	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0					9						P
2	393	7 (3)	Apr 9	LAD	@	COL	W,10-6	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0					9						P
3	394	8	Apr 10	LAD	@	CHC	L,2-3	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0					1						P
4	395	9	Apr 12	LAD	@	CHC	W,2-0	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0					9						P
5	396	12 (2)	Apr 15	LAD		ARI	W,8-4	8-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0					8						P
6	397	16 (3)	Apr 19	LAD		COL	W,4-2	8-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0					9						P
7	398	21 (4)	Apr 25	LAD	@	SFG	W,2-1	8-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0					5						P
8	399	23 (1)	Apr 27	LAD	@	SFG	W,5-1	9-10	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0					8						P
9	400	24	Apr 28	LAD		PHI	W,5-3	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0					9						P
10	401	26 (1)	Apr 30	LAD		PHI	W,5-3	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0					9						P
May		Gtm	Date	Tm		Opp	Rslt	Inngs	PA	AB	R	H	2B	3B	HR	RBI	BB	IBB	SO	HBP	SH	SF	ROE	GDP	SB	CS	BA	OBP	SLG	OPS	BOP	aLI	WPA	acLI	cWPA	RE24	Pos
11	402	29 (2)	May 3	LAD		SFG	L,1-4	9-9	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0					9						P
12	403	31 (1)	May 6	LAD	@	SDP	W,10-2	8-9	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	.000	.000	.000	.000	6	.00	0.000	.00	0.00%	-0.10	P
13	404	33 (1)	May 9	LAD		PIT	W,4-3	10-10	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.000	.000	.000	.000	9						P
14	405	36 (2)	May 12	LAD	@	COL	W,6-2	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.000	.000	.000	.000	7						P
15	406	37	May 13	LAD	@	COL	W,4-0	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.000	.000	.000	.000	9						P
16	407	42 (4)	May 18	LAD		MIA	W,7-2	8-GF	1	1	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	.500	.500	.500	1.000	9	.22	0.007	.26	0.01%	0.66	P
17	408	45 (2)	May 21	LAD		MIA	W,6-3	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.500	1.000	9						P
18	409	46	May 23	LAD		STL	W,2-1	10-11	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.500	1.000	9						P
19	410	51 (4)	May 28	LAD		CHC	W,9-4	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.500	1.000	1						P
20	411	53 (1)	May 30	LAD	@	STL	W,9-4	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.500	1.000	9						P
Jun		Gtm	Date	Tm		Opp	Rslt	Inngs	PA	AB	R	H	2B	3B	HR	RBI	BB	IBB	SO	HBP	SH	SF	ROE	GDP	SB	CS	BA	OBP	SLG	OPS	BOP	aLI	WPA	acLI	cWPA	RE24	Pos
21	412	56 (2)	Jun 2	LAD	@	MIL	W,2-1	11-GF(12)	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	.333	.333	.333	.667	9	.90	-0.041	1.18	-0.03%	-0.54	P
22	413	57	Jun 3	LAD	@	MIL	W,10-8	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.333	.333	.333	.667	4						P
23	414	61 (3)	Jun 7	LAD		WSN	W,2-1	8-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.333	.333	.333	.667	9						P
24	415	63 (1)	Jun 10	LAD		CIN	W,5-4	9-9	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.333	.333	.333	.667	9						P
25	416	64	Jun 11	LAD		CIN	W,9-7	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.333	.333	.333	.667	4						P
26	417	68 (3)	Jun 16	LAD	@	CIN	W,3-1	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.333	.333	.333	.667	9						P
27	418	70 (1)	Jun 18	LAD	@	CIN	W,8-7	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.333	.333	.333	.667	9						P
28	419	74 (3)	Jun 22	LAD		NYM	W,6-3	8-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.333	.333	.333	.667	6						P
29	420	77 (2)	Jun 25	LAD		COL	W,12-6	8-GF	1	1	0	1	1	0	0	1	0	0	0	0	0	0	0	0	0	0	.500	.500	.750	1.250	6	.05	0.003	.06	0.00%	1.09	P
Jul		Gtm	Date	Tm		Opp	Rslt	Inngs	PA	AB	R	H	2B	3B	HR	RBI	BB	IBB	SO	HBP	SH	SF	ROE	GDP	SB	CS	BA	OBP	SLG	OPS	BOP	aLI	WPA	acLI	cWPA	RE24	Pos
30	421	85 (7)	Jul 4	LAD		ARI	W,4-3	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	9						P
31	422	86	Jul 5	LAD		ARI	W,1-0	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	1						P
32	423	88 (1)	Jul 7	LAD		KCR	W,4-1	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	9						P
33	424	89	Jul 8	LAD		KCR	W,5-4	9-9	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	8						P
34	425	91 (1)	Jul 14	LAD	@	MIA	W,6-4	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	9						P
35	426	93 (1)	Jul 16	LAD	@	MIA	W,3-2	8-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	9						P
36	427	99 (5)	Jul 23	LAD		ATL	W,5-4	8-9	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	9						P
37	428	100	Jul 24	LAD		MIN	W,6-4	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	9						P
38	429	102 (1)	Jul 26	LAD		MIN	W,6-5	9-9	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	9						P
39	430	103	Jul 28	LAD		SFG	W,6-4	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	9						P
40	431	104	Jul 29	LAD		SFG	W,2-1	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	8						P
Aug		Gtm	Date	Tm		Opp	Rslt	Inngs	PA	AB	R	H	2B	3B	HR	RBI	BB	IBB	SO	HBP	SH	SF	ROE	GDP	SB	CS	BA	OBP	SLG	OPS	BOP	aLI	WPA	acLI	cWPA	RE24	Pos
41	432	106 (1)	Aug 1	LAD	@	ATL	W,3-2	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	9						P
42	433	111 (4)	Aug 6	LAD	@	NYM	W,8-0	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	3						P
43	434	113 (1)	Aug 9	LAD	@	ARI	W,3-2	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	9						P
44	435	114	Aug 10	LAD	@	ARI	W,8-6	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	8						P
45	436	116 (1)	Aug 12	LAD		SDP	W,6-3	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	9						P
46	437	117	Aug 13	LAD		SDP	W,6-4	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	9						P
47	438	123 (5)	Aug 21	LAD	@	PIT	W,6-5	10-11	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	9						P
48	439	124	Aug 22	LAD	@	PIT	W,8-5	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	9						P
49	440	127 (2)	Aug 25	LAD		MIL	W,3-1	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	9						P
50	441	129 (1)	Aug 27	LAD		MIL	L,2-3	9-9	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	8						P
Sept		Gtm	Date	Tm		Opp	Rslt	Inngs	PA	AB	R	H	2B	3B	HR	RBI	BB	IBB	SO	HBP	SH	SF	ROE	GDP	SB	CS	BA	OBP	SLG	OPS	BOP	aLI	WPA	acLI	cWPA	RE24	Pos
51	442	133 (3)	Sep 1	LAD	@	SDP	W,1-0	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	9						P
52	443	138 (4)	Sep 5	LAD		ARI	L,1-3	9-10	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	9						P
53	444	142 (3)	Sep 9	LAD		COL	L,5-6	9-9	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	9						P
54	445	145 (2)	Sep 12	LAD	@	SFG	W,5-3	8-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	6						P
55	446	148 (2)	Sep 16	LAD	@	WSN	W,3-2	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	1						P
56	447	153 (4)	Sep 21	LAD	@	PHI	W,5-4	8-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	9						P
57	448	154	Sep 22	LAD		SFG	W,4-2	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	4						P
58	449	159 (4)	Sep 27	LAD		SDP	W,10-0	9-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	9						P
59	450	161 (1)	Sep 30	LAD	@	COL	W,5-3	8-GF	0	0	0	0	0	0	0	0	0		0	0	0		0		0	0	.500	.500	.750	1.250	3						P
							54-5		4	4	0	2	1	0	0	1	0	0	0	0	0	0	0	1	0	0	.500	.500	.750	1.250		.29	-0.031	.38	-0.02%	1.11

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