Pro Baseball Terminal — MLB projections, standings & analytics

Kenley Jansen

P · LAA

38 yrs

Pitcher

Description

Position: P
Team: LAA
Type: Pitcher
Bats: Switch
Throws: Right
Born: 1987-09-30
Age: 38
Country: Curacao
Height: 6'5"
Weight: 265 lb
Last active: 2026

Career Résumé

17 seasons

Seasons	17 2010–2026
Games	954
W-L	55-43
ERA	2.60
WHIP	0.96
IP	945
SO	1,300
SV	485

Pitching Projections

2026 · per ~700 BF

Stat	Proj	Range (p10–p90)	vs LY
SO	165	124–202	-6
BB	62	42–79	+4
HR	18	11–30	-1
Hits	141	113–161	+12
ER	67	48–90	+5

Pitching

Regular season

Season	Tm	W	L	ERA	WHIP	G	SV	IP	SO	BB	HR	ER	xERA	Brl%
2026	DET	1	3	4.00	1.11	21	9	18.0	22	10	4	8	3.72	8.7%
2025	LAA	5	4	2.59	0.95	62	29	59.0	57	19	8	17	3.74	8.9%
2024	BOS	4	2	3.29	1.06	54	27	54.2	62	20	4	20	3.29	11.1%
2023All-Star	BOS	3	6	3.63	1.28	51	29	44.2	52	17	5	18	3.25	6.8%
2022	ATL	5	2	3.38	1.05	65	41	64.0	85	22	8	24	2.42	7.3%
2021All-MLB 2nd	LAD	4	4	2.22	1.04	69	38	69.0	86	36	4	17	2.81	4.6%
2020WS Champ	LAD	3	1	3.33	1.15	27	11	24.1	33	9	2	9	2.95	3.5%
2019	LAD	5	3	3.71	1.06	62	33	63.0	80	16	9	26	2.97	6.1%
2018All-Star	LAD	1	5	3.01	0.99	69	38	71.2	82	17	13	24	2.90	7.4%
2017Reliever	LAD	5	0	1.32	0.75	65	41	68.1	109	7	5	10	1.76	4.3%
2016Reliever	LAD	3	2	1.83	0.67	71	47	68.2	104	11	4	14	1.51	5.2%
2015	LAD	2	1	2.41	0.78	54	36	52.1	80	8	6	14	1.87	8.2%
2014	LAD	2	3	2.76	1.13	68	44	65.1	101	19	5	20	—	—
2013	LAD	4	3	1.88	0.86	75	28	76.2	111	18	6	16	—	—
2012	LAD	5	3	2.35	0.85	65	25	65.0	99	22	6	17	—	—
2011	LAD	2	1	2.85	1.04	51	5	53.2	96	26	3	17	—	—
2010	LAD	1	0	0.67	1.00	25	4	27.0	41	15	0	2	—	—

Fielding

Regular season · OAA 2016+

Season	Pos	G	Inn	PO	A	E	DP	FLD%	RF/9	OAA
2026	P	19	16.0	0	0	0	0	—	0.00	—
2025	P	62	59.0	1	1	1	0	.667	0.31	—
2024	P	54	54.2	1	1	0	0	1.000	0.33	—
2023All-Star	P	51	44.2	1	3	0	0	1.000	0.81	—
2022	P	65	64.0	1	3	0	0	1.000	0.56	—
2021All-MLB 2nd	P	69	69.0	4	2	0	0	1.000	0.78	—
2020WS Champ	P	27	24.1	1	0	0	0	1.000	0.37	—
2019	P	62	63.0	7	2	1	0	.900	1.29	—
2018All-Star	P	69	71.2	1	4	0	1	1.000	0.63	—
2017All-Star	P	65	68.1	4	1	0	0	1.000	0.66	—
2016All-Star	P	71	68.2	3	1	1	0	.800	0.52	—
2015	P	54	52.1	0	2	1	0	.667	0.34	—
2014	P	68	65.1	6	2	1	1	.889	1.10	—
2013	P	75	76.2	3	1	0	0	1.000	0.47	—
2012	P	65	65.0	1	5	1	0	.857	0.83	—
2011	P	51	53.2	2	3	0	1	1.000	0.84	—
2010	P	25	27.0	1	1	0	0	1.000	0.67	—

Batting game log

2026 · last 4

Date		Opp	Res
2026-06-28	vs	HOU	L
2026-06-25	vs	HOU	L
2026-06-20	vs	CWS	W
2026-06-19	vs	CWS	W

Pitching game log

2026 · last 23

Date		Opp	Res	Dec	IP	H	R	ER	HR	BB	SO	Pit
2026-06-28	vs	HOU	L	L	1.1	2	4	3	1	1	1	28
2026-06-25	vs	HOU	L	ND	1.0	2	1	1	0	0	0	15
2026-06-20	vs	CWS	W	S	1.0	1	0	0	0	1	0	10
2026-06-19	vs	CWS	W	S	1.0	0	0	0	0	0	1	10
2026-06-13	@	CLE	L	ND	1.0	0	0	0	0	0	2	9
2026-05-27	vs	LAA	W	ND	0.2	0	0	0	0	1	0	9
2026-05-24	@	BAL	L	L	1.0	1	3	3	1	2	0	24
2026-05-20	vs	CLE	L	H	1.0	0	0	0	0	1	1	18
2026-05-16	vs	TOR	L	ND	1.0	0	0	0	0	0	1	12
2026-05-15	vs	TOR	W	W	1.0	0	0	0	0	0	2	16
2026-05-13	@	NYM	L	ND	1.0	0	0	0	0	0	3	14
2026-05-10	@	KC	W	S	1.0	0	0	0	0	0	2	12
2026-05-04	vs	BOS	L	ND	1.0	0	0	0	0	1	1	10
2026-04-29	@	ATL	L	L	0.0	1	2	2	1	1	0	11
2026-04-24	@	CIN	L	L	0.2	2	2	2	1	0	1	14
2026-04-22	vs	MIL	W	S	1.0	1	0	0	0	2	1	36
2026-04-18	@	BOS	W	S	1.0	1	0	0	0	0	0	14
2026-04-15	vs	KC	W	S	1.0	1	0	0	0	0	1	20
2026-04-14	vs	KC	W	S	1.0	1	0	0	0	0	0	15
2026-04-10	vs	MIA	W	S	1.0	0	0	0	0	0	1	12
2026-04-04	vs	STL	W	ND	0.1	0	0	0	0	1	1	8
2026-03-31	@	AZ	L	BS	0.1	1	1	1	1	0	1	8
2026-03-27	@	SD	W	S	1.0	0	0	0	0	0	3	11

Pitching Profile2025 · vs 402

K/9

8.752

BB/9

2.958

HR/9

1.237

ERA

2.5988

WHIP

0.9593

xERA

3.7461

Brl%A

8.9%42

PlayerMedian (50th)percentile vs league

Career Highs

Stat	Best	Year
Wins	5	2025
SO	111	2013
SV	47	2016
ERA	0.67	2010
WHIP	0.67	2016

Comparable Players

2025 · stat-profile similarity

Pete FairbanksTB32y
2.83 ERA · 59 K · 1.04 WHIP
93%
vs
Eduard BazardoSEA30y
2.52 ERA · 82 K · 1.02 WHIP
93%
vs
Jacob WebbTEX32y
3.00 ERA · 58 K · 1.03 WHIP
91%
vs
Justin SternerATH29y
3.18 ERA · 70 K · 1.05 WHIP
90%
vs
Emilio PagánCIN35y
2.88 ERA · 81 K · 0.92 WHIP
87%
vs

Accolades

Reliever of the Year	2×	2016, 2017
All-MLB Second Team		2021
All-Star	4×	2016, 2017, 2018, 2023
World Series Champion		2020

Career Arc

ERA by season · taller = better

Year over Year

pitching trajectory

Yr	Tm	W	ERA	WHIP	SO	IP
21	LAD	4	2.22	1.04	86	69
22	ATL	5▲	3.38▲	1.05▲	85▼	64▼
23	BOS	3▼	3.63▲	1.28▲	52▼	45▼
24	BOS	4▲	3.29▼	1.06▼	62▲	55▲
25	LAA	5▲	2.59▼	0.95▼	57▼	59▲
26	DET	1▼	4.00▲	1.11▲	22▼	18▼

Career Milestones

chase to the next mark

Wins55

45 to 100

Strikeouts1,300

200 to 1,500

Saves485

15 to 500

Season

Pitch Arsenal

2025 · Statcast

Pitch	Use	Velo	Spin
Cutter	81%	92.7	2592
Sinker	9%	93.1	2320
Slider	6%	83.7	2457
Sweeper	3%	81.9	2509

Plate Discipline

2025 · induced

28.9%

Chase

lg 28.5%

75.8%

Z-Swing

lg 67%

21.4%

Whiff

lg 24.5%

78.6%

Contact

lg 76%

56.3%

Zone

lg 48.5%

25.6%

CSW

lg 28%

925 pitches · green/red vs league avg

Statcast Trend

xERA by season · taller = better

Barrel% Against by season · taller = better

Per game	2.5
Ceiling (90th)	7.9
Floor (10th)	-2.6
Std dev	4.0
Boom rate	35%
Bust rate	35%
Profile	Volatile