Kenley Jansen ERA in 2025

Share

2.592025 Regular Season

Kenley Jansen posted a 2.59 ERA in the 2025 regular season.

• 8th-best of Kenley Jansen's 17 seasons on file; the best is 0.67 in 2010.
• Down 0.70 from 3.29 in 2024.

Average of 17 regular seasons, 2010 through 2026. Figures come from ESPN's box scores and were last read on September 22, 2026.

CopyCSV

Kenley Jansen ERA in 2025, season by season

Season↓	Team↓	GP↓iGP: Games the player appeared in, however briefly.	W↓iW: Games in which this pitcher was credited with the win.	L↓iL: Games in which this pitcher was charged with the loss.	ERA↓iERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent.	IP↓iIP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs.	K↓iK: Batters this pitcher struck out.	BB↓iBB: Times the batter reached first base on four balls.	WHIP↓iWHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite.	SV↓iSV: Games finished by protecting a narrow lead to the last out.
2010	LAD	25	1	0	0.67	27.0	41	15	1.00	4
2011	LAD	51	2	1	2.85	53.2	96	26	1.04	5
2012	LAD	65	5	3	2.35	65.0	99	22	0.85	25
2013	LAD	75	4	3	1.88	76.2	111	18	0.86	28
2014	LAD	68	2	3	2.76	65.1	101	19	1.13	44
2015	LAD	54	2	1	2.41	52.1	80	8	0.78	36
2016	LAD	71	3	2	1.83	68.2	104	11	0.67	47
2017	LAD	65	5	0	1.32	68.1	109	7	0.75	41
2018	LAD	69	1	5	3.01	71.2	82	17	0.99	38
2019	LAD	62	5	3	3.71	63.0	80	16	1.06	33
2020	LAD	27	3	1	3.33	24.1	33	9	1.15	11
2021	LAD	69	4	4	2.22	69.0	86	36	1.04	38
2022	ATL	65	5	2	3.38	64.0	85	22	1.05	41
2023	BOS	51	3	6	3.63	44.2	52	17	1.28	29
2024	BOS	54	4	2	3.29	54.2	62	20	1.06	27
2025	LAA	62	5	4	2.59	59.0	57	19	0.95	29
2026	DET	48	4	6	3.35	43.0	49	23	1.09	21

What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV