Jon Lester career WHIP

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1.28Career Regular Season

Jon Lester has a career WHIP of 1.28 over 16 regular seasons.

• Best season on file: 1.02 in 2016.
• Most recent: 1.51 in 2021.

Average of 16 regular seasons, 2006 through 2021. Figures come from ESPN's box scores and were last read on September 22, 2026.

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Jon Lester career WHIP, 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.
2006	BOS	15	7	2	4.76	81.1	60	43	1.65	0
2007	BOS	12	4	0	4.57	63.0	50	31	1.46	0
2008	BOS	33	16	6	3.21	210.1	152	66	1.27	0
2009	BOS	32	15	8	3.41	203.1	225	64	1.23	0
2010	BOS	32	19	9	3.25	208.0	225	83	1.20	0
2011	BOS	31	15	9	3.47	191.2	182	75	1.26	0
2012	BOS	33	9	14	4.82	205.1	166	68	1.38	0
2013	BOS	33	15	8	3.75	213.1	177	67	1.29	0
2014	BOS/ATH	32	16	11	2.46	219.2	220	48	1.10	0
2015	CHC	32	11	12	3.34	205.0	207	47	1.12	0
2016	CHC	32	19	5	2.44	202.2	197	52	1.02	0
2017	CHC	32	13	8	4.33	180.2	180	60	1.32	0
2018	CHC	32	18	6	3.32	181.2	149	64	1.31	0
2019	CHC	31	13	10	4.46	171.2	165	52	1.50	0
2020	CHC	12	3	3	5.16	61.0	42	17	1.33	0
2021	WSH/STL	28	7	6	4.71	141.1	91	55	1.51	0

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