Kenley Jansen WHIP in 2023

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1.282023 Regular Season

Kenley Jansen posted a 1.28 WHIP in the 2023 regular season.

• Kenley Jansen's highest WHIP of the 17 seasons on file; the best is 0.67 in 2016.
• Up 0.23 from 1.05 in 2022.

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

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Kenley Jansen WHIP in 2023, 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