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, 19,786th 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

2023 Contract Status: Signed thru 2024, 2 yrs/$32M (23-24)

Service Time (01/2023): 12.073 • 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

2023

Career

WAR

0.3

20.1

ERA

3.86

2.49

786

403

18.2

787.2

1129

WHIP

1.607

0.953

Fielding stats are given overall and by position. In some cases, they will be identical.

2022 Fielding Game Log (overall)

2022 Fielding Game Log (overall)
Rk	Gtm	Date	Tm		Opp	Rslt	Inngs	BF	Inn	PO	A	E	Ch	DP	Pos
1	2 (1)	Apr 8	ATL		CIN	W,7-6	GF	7	1.0	0	0	0	0	0	P
2	7 (4)	Apr 13	ATL		WSN	L,1-3	GF	3	1.0	0	0	0	0	0	P
3	9 (1)	Apr 15	ATL	@	SDP	W,5-2	GF	3	1.0	0	0	0	0	0	P
4	10	Apr 16	ATL	@	SDP	W,5-2	GF	3	1.0	0	0	0	0	0	P
5	13 (2)	Apr 19	ATL	@	LAD	W,3-1	GF	3	1.0	0	0	0	0	0	P
6	15 (1)	Apr 22	ATL		MIA	W,3-0	GF	4	1.0	0	0	0	0	0	P
7	18 (2)	Apr 26	ATL		CHC	W,3-1	GF	3	1.0	0	0	0	0	0	P
8	19	Apr 27	ATL		CHC	L,3-6		3	1.0	0	0	0	0	0	P
9	21 (1)	Apr 29	ATL	@	TEX	W,6-3	GF	3	1.0	0	0	0	0	0	P
May			Tm		Opp	Rslt	Inngs	BF	Inn	PO	A	E	Ch	DP	Pos
10	24 (2)	May 2	ATL	@	NYM	W,5-2	GF	4	1.0	0	0	0	0	0	P
11	29 (4)	May 7	ATL		MIL	W,3-2	GF	4	1.0	0	0	0	0	0	P
12	32 (2)	May 11	ATL		BOS	W,5-3	GF	4	1.0	0	0	0	0	0	P
13	34 (1)	May 14	ATL		SDP	W,6-5	GF	6	1.2	1	0	0	1	0	P
14	35	May 15	ATL		SDP	L,3-7		3	1.0	0	0	0	0	0	P
15	37 (1)	May 17	ATL	@	MIL	W,3-0	GF	3	1.0	0	0	0	0	0	P
16	38	May 18	ATL	@	MIL	L,6-7		5	1.0	0	0	0	0	0	P
17	40 (1)	May 21	ATL	@	MIA	W,4-3	GF	6	1.0	0	0	0	0	0	P
18	43 (2)	May 24	ATL		PHI	W,6-5	GF	5	1.0	0	0	0	0	0	P
19	46 (2)	May 27	ATL		MIA	W,6-4	GF	4	1.0	0	0	0	0	0	P
20	48 (1)	May 29	ATL		MIA	W,6-3	GF	4	1.0	0	0	0	0	0	P
21	50 (1)	May 31	ATL	@	ARI	L,7-8		6	1.0	0	0	0	0	0	P
Jun			Tm		Opp	Rslt	Inngs	BF	Inn	PO	A	E	Ch	DP	Pos
22	53 (2)	Jun 3	ATL	@	COL	W,3-1	GF	4	1.0	0	0	0	0	0	P
23	55 (1)	Jun 5	ATL	@	COL	W,8-7	GF	5	1.0	0	0	0	0	0	P
24	56	Jun 7	ATL		OAK	W,3-2	GF	3	1.0	0	0	0	0	0	P
25	58 (1)	Jun 9	ATL		PIT	W,3-1	GF	3	1.0	0	0	0	0	0	P
26	59	Jun 10	ATL		PIT	W,4-2	GF	3	1.0	0	0	0	0	0	P
27	61 (1)	Jun 12	ATL		PIT	W,5-3	GF	4	1.0	0	0	0	0	0	P
28	67 (5)	Jun 19	ATL	@	CHC	W,6-0	GF	3	1.0	0	0	0	0	0	P
29	68	Jun 20	ATL		SFG	W,2-1	GF	5	1.0	0	0	0	0	0	P
30	71 (2)	Jun 23	ATL		SFG	W,7-6	GF	4	1.0	0	0	0	0	0	P
31	73 (1)	Jun 25	ATL		LAD	W,5-3	GF	3	1.0	0	0	0	0	0	P
32	74	Jun 26	ATL		LAD	L,3-5		6	1.0	0	0	0	0	0	P
Jul			Tm		Opp	Rslt	Inngs	BF	Inn	PO	A	E	Ch	DP	Pos
33	90 (15)	Jul 13	ATL		NYM	L,3-7		3	1.0	0	0	0	0	0	P
34	91	Jul 14	ATL	@	WSN	W,5-4	GF	5	1.0	0	0	0	0	0	P
35	93 (1)	Jul 16	ATL	@	WSN	W,6-3	GF	3	1.0	0	0	0	0	0	P
36	97 (3)	Jul 24	ATL		LAA	L,1-9		5	1.0	0	0	0	0	0	P
37	99 (1)	Jul 26	ATL	@	PHI	W,6-3	GF	2	0.2	0	0	0	0	0	P
38	101 (1)	Jul 29	ATL		ARI	W,5-2	GF	6	1.0	0	0	0	0	0	P
39	103 (1)	Jul 31	ATL		ARI	W,1-0	GF	3	1.0	0	0	0	0	0	P
Aug			Tm		Opp	Rslt	Inngs	BF	Inn	PO	A	E	Ch	DP	Pos
40	107 (3)	Aug 5	ATL	@	NYM	W,9-6	GF	4	1.0	0	0	0	0	0	P
41	111 (3)	Aug 9	ATL	@	BOS	W,9-7		5	1.0	0	1	0	1	0	P
42	113 (1)	Aug 12	ATL	@	MIA	W,4-3	GF	5	1.0	0	0	0	0	0	P
43	114	Aug 13 (1)	ATL	@	MIA	W,5-2	GF	4	1.0	0	0	0	0	0	P
44	116 (1)	Aug 14	ATL	@	MIA	W,3-1	GF	4	1.0	0	0	0	0	0	P
45	120 (3)	Aug 18	ATL		NYM	W,3-2	GF	4	1.0	0	1	0	1	0	P
46	121	Aug 19	ATL		HOU	W,6-2	GF	4	1.0	0	0	0	0	0	P
47	124 (2)	Aug 22	ATL	@	PIT	W,2-1	GF	3	1.0	0	0	0	0	0	P
48	128 (3)	Aug 27	ATL	@	STL	L,5-6	GF	6	0.1	0	0	0	0	0	P
49	131 (2)	Aug 31	ATL		COL	W,3-2	GF	5	1.0	0	0	0	0	0	P
September			Tm		Opp	Rslt	Inngs	BF	Inn	PO	A	E	Ch	DP	Pos
50	132	Sep 1	ATL		COL	W,3-0	GF	3	1.0	0	0	0	0	0	P
51	134 (1)	Sep 3	ATL		MIA	W,2-1		5	0.2	0	0	0	0	0	P
52	136 (1)	Sep 6	ATL	@	OAK	W,10-9	GF	3	1.0	0	0	0	0	0	P
53	138 (1)	Sep 9	ATL	@	SEA	W,6-4	GF	3	1.0	0	0	0	0	0	P
54	140 (1)	Sep 11	ATL	@	SEA	L,7-8	GF	4	0.2	0	0	0	0	0	P
55	142 (1)	Sep 13	ATL	@	SFG	W,5-1	GF	4	1.0	0	1	0	1	0	P
56	145 (2)	Sep 17	ATL		PHI	W,4-3	GF	3	1.0	0	0	0	0	0	P
57	147 (1)	Sep 19	ATL		WSN	W,5-2	GF	3	1.0	0	0	0	0	0	P
58	148	Sep 20	ATL		WSN	W,3-2	GF	7	1.0	0	0	0	0	0	P
59	152 (3)	Sep 24	ATL	@	PHI	W,6-3	GF	3	1.0	0	0	0	0	0	P
60	153	Sep 25	ATL	@	PHI	W,8-7		4	1.0	0	0	0	0	0	P
61	156 (2)	Sep 28	ATL	@	WSN	L,2-3		3	1.0	0	0	0	0	0	P
62	157	Sep 30	ATL		NYM	W,5-2	GF	6	1.0	0	0	0	0	0	P
63	158	Oct 1	ATL		NYM	W,4-2	GF	3	1.0	0	0	0	0	0	P
64	159	Oct 2	ATL		NYM	W,5-3	GF	3	1.0	0	0	0	0	0	P
65	161 (1)	Oct 4	ATL	@	MIA	W,2-1	GF	3	1.0	0	0	0	0	0	P
							65gm		64.0	1	3	0	4	0