most strikeouts by left-handed relief pitcher since 1966

Since 1966, Aroldis Chapman has fanned the most hitters by a left-handed relief pitcher, with 1,311 strikeouts.

	NAME	SO	G	W	L	W%	GS	ERA	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Aroldis Chapman A. Chapman	1,311	846	58	46	.558	0	2.55	0	0	356	805.2	468	228	253	54	406	33	548	7	3,284	84	14.65	4.54	3.23	0.60	39.9	12.4	1.08	.280	2.83	5.23
2	Billy Wagner B. Wagner	1,196	853	47	40	.540	0	2.31	0	0	422	903.0	601	232	262	82	300	33	703	26	3,600	43	11.92	2.99	3.99	0.82	33.2	8.3	1.00	.261	2.61	5.99
3	Jesse Orosco J. Orosco	1,169	1,248	87	78	.527	0	3.12	0	0	144	1277.0	1,035	442	499	112	568	34	501	85	5,374	40	8.24	4.00	2.06	0.79	21.8	10.6	1.26	.264	3.52	7.29
4	Dan Plesac D. Plesac	990	1,050	62	67	.481	0	3.55	0	0	158	1003.0	907	396	439	98	370	14	422	52	4,229	41	8.88	3.32	2.68	0.88	23.4	8.7	1.27	.293	3.94	8.14
5	John Franco J. Franco	975	1,119	90	87	.508	0	2.89	0	0	424	1245.2	1,166	400	466	81	495	22	774	78	5,312	54	7.04	3.58	1.97	0.59	18.4	9.3	1.33	.290	3.37	8.42
6	Tug McGraw T. McGraw	945	757	89	68	.567	0	2.86	0	0	179	1259.2	1,063	400	450	72	469	18	524	121	5,208	46	6.75	3.35	2.01	0.51	18.1	9.0	1.22	.268	3.22	7.59
7	Arthur Rhodes A. Rhodes	899	839	69	48	.590	0	3.43	0	0	33	865.2	697	330	347	85	343	12	161	44	3,566	33	9.35	3.57	2.62	0.88	25.2	9.6	1.20	.275	3.61	7.25
8	Mike Stanton M. Stanton	892	1,177	68	63	.519	0	3.93	0	0	84	1110.0	1,084	485	523	93	419	33	363	76	4,748	35	7.23	3.40	2.13	0.75	18.8	8.8	1.35	.299	4.24	8.79
9	Sparky Lyle S. Lyle	873	899	99	76	.566	0	2.88	0	0	238	1390.1	1,292	445	519	84	481	14	634	81	5,796	68	5.65	3.11	1.81	0.54	15.1	8.3	1.28	.278	3.36	8.36
10	Josh Hader J. Hader	829	468	34	31	.523	0	2.64	0	0	226	512.1	282	150	164	65	198	24	321	6	2,019	19	14.56	3.48	4.19	1.14	41.1	9.8	0.94	.240	2.88	4.95
11	Randy Myers R. Myers	829	716	42	57	.424	0	3.17	0	0	347	814.1	696	287	303	64	353	11	548	43	3,433	31	9.16	3.90	2.35	0.71	24.1	10.3	1.29	.290	3.35	7.69
12	John Hiller J. Hiller	827	497	72	57	.558	0	2.79	0	0	124	957.0	787	297	334	82	438	11	361	69	4,031	33	7.78	4.12	1.89	0.77	20.5	10.9	1.28	.264	3.14	7.40
13	Paul Assenmacher P. Assenmacher	806	883	61	44	.581	0	3.50	0	0	56	854.2	813	332	367	72	313	22	275	77	3,655	31	8.49	3.30	2.58	0.76	22.1	8.6	1.32	.303	3.86	8.56
14	Gary Lavelle G. Lavelle	766	742	80	75	.516	0	2.86	0	0	136	1077.2	993	343	403	50	438	13	399	126	4,571	19	6.40	3.66	1.75	0.42	16.8	9.6	1.33	.285	3.37	8.29
15	Dave LaRoche D. LaRoche	766	632	63	51	.553	0	3.36	0	0	126	976.1	830	364	401	84	430	26	381	80	4,128	18	7.06	3.96	1.78	0.77	18.6	10.4	1.29	.264	3.70	7.65
16	Jake Diekman J. Diekman	764	705	27	34	.443	0	3.91	0	0	19	602.1	483	262	312	53	358	47	141	21	2,662	44	11.42	5.35	2.13	0.79	28.7	13.4	1.40	.299	4.66	7.22
17	Willie Hernandez W. Hernandez	757	733	70	55	.560	0	3.21	0	0	147	994.1	886	355	389	91	323	24	419	77	4,126	33	6.85	2.92	2.34	0.82	18.3	7.8	1.22	.271	3.52	8.02
18	Eddie Guardado E. Guardado	738	883	43	46	.483	0	3.90	0	0	187	819.0	725	355	377	119	298	15	401	37	3,433	25	8.11	3.27	2.48	1.31	21.5	8.7	1.25	.268	4.14	7.97
19	Andrew Miller A. Miller	724	546	35	28	.556	0	2.95	0	0	63	504.0	351	165	183	47	201	46	147	9	2,091	25	12.93	3.59	3.60	0.84	34.6	9.6	1.10	.283	3.27	6.27
20	Mark Davis M. Davis	719	539	34	50	.405	0	3.46	0	0	96	708.1	601	272	306	70	336	17	265	51	3,028	45	9.14	4.27	2.14	0.89	23.7	11.1	1.32	.282	3.89	7.64
21	Will Smith W. Smith	684	601	27	35	.435	0	3.58	0	0	113	558.2	452	222	253	71	204	16	237	25	2,312	26	11.02	3.29	3.35	1.14	29.6	8.8	1.17	.285	4.08	7.28
22	Alan Embree A. Embree	679	878	39	43	.476	0	4.54	0	0	25	756.0	725	381	415	92	285	19	217	35	3,237	23	8.08	3.39	2.38	1.10	21.0	8.8	1.34	.293	4.94	8.63
23	Norm Charlton N. Charlton	672	568	38	39	.494	0	3.81	0	0	97	668.2	590	283	326	51	319	23	280	22	2,880	63	9.04	4.29	2.11	0.69	23.3	11.1	1.36	.297	4.39	7.94
24	Terry Forster T. Forster	665	575	47	46	.505	0	2.89	0	0	127	888.0	780	285	329	37	375	20	318	60	3,740	39	6.74	3.80	1.77	0.38	17.8	10.0	1.30	.281	3.33	7.91
25	Darold Knowles D. Knowles	660	753	63	71	.470	0	2.98	0	0	143	1043.2	955	346	403	61	448	34	415	82	4,433	27	5.69	3.86	1.47	0.53	14.9	10.1	1.34	.277	3.48	8.24