Ryan Dempster ERA in 2013

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4.572013 Regular Season

Ryan Dempster posted a 4.57 ERA in the 2013 regular season.

• 8th-best of Ryan Dempster's 16 seasons on file; the best is 2.96 in 2008.
• Up 1.19 from 3.38 in 2012.

Average of 16 regular seasons, 1998 through 2013. Figures come from ESPN's box scores and were last read on September 22, 2026.

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Ryan Dempster ERA in 2013, 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.
1998	MIA	14	1	5	7.08	54.2	35	38	2.01	0
1999	MIA	25	7	8	4.71	147.0	126	93	1.63	0
2000	MIA	33	14	10	3.66	226.1	209	97	1.36	0
2001	MIA	34	15	12	4.94	211.1	171	112	1.56	0
2002	MIA/CIN	33	10	13	5.38	209.0	153	93	1.54	0
2003	CIN	22	3	7	6.54	115.2	84	70	1.76	0
2004	CHC	23	1	1	3.92	20.2	18	13	1.40	2
2005	CHC	63	5	3	3.13	92.0	89	49	1.43	33
2006	CHC	74	1	9	4.80	75.0	67	36	1.51	24
2007	CHC	66	2	7	4.73	66.2	55	30	1.34	28
2008	CHC	33	17	6	2.96	206.2	187	76	1.21	0
2009	CHC	31	11	9	3.65	200.0	172	65	1.31	0
2010	CHC	34	15	12	3.85	215.1	208	86	1.32	0
2011	CHC	34	10	14	4.80	202.1	191	82	1.45	0
2012	CHC/TEX	28	12	8	3.38	173.0	153	52	1.20	0
2013	BOS	32	8	9	4.57	171.1	157	79	1.45	0

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