which national league rookie left handed pitcher has the most strikeouts in a season

Lee Richmond has struck out the most batters by a rookie NL left-hander, with 243 strikeouts in 1880.

	NAME	SO	SEASON	TM	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	ERA-	FIP	FIP-	H/9	PRAA
1	Lee Richmond L. Richmond	243	1880	WOR	74	32	32	.500	66	2.15	57	5	3	590.2	541	141	278	7	74		9		2,410	29	3.70	1.13	3.28	0.11	10.1	3.1	1.04		4.24	85	2.24	88	8.24	28.7
2	Rick Ankiel R. Ankiel	194	2000	STL	31	11	7	.611	30	3.50	0	0	0	175.0	137	68	80	21	90	6	0	2	735	12	9.98	4.63	2.16	1.08	26.4	12.2	1.30	.274	4.11	76	4.11	86	7.05	13.3
3	Fernando Valenzuela F. Valenzuela	180	1981	LAD	25	13	7	.650	25	2.48	11	8	0	192.1	140	53	55	11	61	1	0	4	758	4	8.42	2.85	2.95	0.51	23.7	8.0	1.05	.255	2.57	73	2.44	72	6.55	20.4
4	Jerry Koosman J. Koosman	178	1968	NYM	35	19	12	.613	34	2.08	17	7	0	263.2	221	61	72	16	69	8	0	7	1,058	8	6.08	2.36	2.58	0.55	16.8	6.5	1.10	.260	2.46	70	2.70	96	7.54	3.7
5	Shota Imanaga S. Imanaga	174	2024	CHC	29	15	3	.833	29	2.91	0	0	0	173.1	149	56	66	27	28	3	0	0	694	3	9.03	1.45	6.21	1.40	25.1	4.0	1.02	.264	3.43	73	3.71	93	7.74	5
6	Ken Holtzman K. Holtzman	171	1966	CHC	34	11	16	.407	33	3.79	9	0	0	220.2	194	93	104	27	68	4	0	6	912	8	6.97	2.77	2.51	1.10	18.8	7.5	1.19	.260	4.24	100	3.57	98	7.91	2.6
7	Jon Matlack J. Matlack	169	1972	NYM	34	15	10	.600	32	2.32	8	4	0	244.0	215	63	79	14	71	2	1	14	1,003	7	6.23	2.62	2.38	0.52	16.8	7.1	1.17	.269	2.91	69	2.65	81	7.93	16.5
8	Scott Olsen S. Olsen	166	2006	FLA	31	12	10	.545	31	4.04	0	0	0	180.2	160	81	94	23	75	7	0	1	761	8	8.27	3.74	2.21	1.15	21.8	9.9	1.30	.280	4.68	92	4.32	97	7.97	2.2
9	Harvey Haddix H. Haddix	163	1953	SLN	36	20	9	.690	33	3.06	19	6	1	253.0	220	86	97	24	69	4	2		1,031	9	5.80	2.45	2.36	0.85	15.8	6.7	1.14	.254	3.45	71	3.40	79	7.83	25.1
10	Balor Moore B. Moore	161	1972	MON	22	9	9	.500	22	3.47	6	3	0	147.2	122	57	61	15	59	5	0	5	612	7	9.81	3.60	2.73	0.91	26.3	9.6	1.23	.288	3.72	99	2.83	84	7.44	9.1
11	George Cobb G. Cobb	159	1892	BAL	53	10	37	.213	47	4.86	42	0	0	394.1	495	213	333	21	140	19	6		1,836	15	3.63	3.20	1.14	0.48	8.7	7.6	1.61	.317	7.60	145	3.53	105	11.30	-6.1
12	Trevor Rogers T. Rogers	157	2021	MIA	25	7	8	.467	25	2.64	0	0	0	133.0	107	39	46	6	46	5	0	2	550	4	10.62	3.11	3.41	0.41	28.5	8.4	1.15	.301	3.11	63	2.54	61	7.24	24.3
13	Irv Young I. Young	156	1905	BSN	43	20	21	.488	42	2.90	41	7	0	378.0	337	122	146	6	71	8	1		1,475	6	3.71	1.69	2.20	0.14	10.6	4.8	1.08	.268	3.48	97	2.53	86	8.02	16.8
14	Tom Browning T. Browning	155	1985	CIN	38	20	9	.690	38	3.55	6	4	0	261.1	242	103	111	29	73	3	0	8	1,083	2	5.34	2.51	2.12	1.00	14.3	6.7	1.21	.259	3.82	95	3.81	102	8.33	-1.9
15	Hyun Jin Ryu H. Jin Ryu	154	2013	LAD	30	14	8	.636	30	3.00	2	1	0	192.0	182	64	67	15	49	1	0	4	783	5	7.22	2.30	3.14	0.70	19.7	6.3	1.20	.296	3.14	84	3.24	87	8.53	10.4
16	Cory Luebke C. Luebke	154	2011	SDP	46	6	10	.375	17	3.29	0	0	0	139.2	105	51	54	12	44	2	3	3	555	5	9.92	2.84	3.50	0.77	27.7	7.9	1.07	.271	3.48	94	2.92	78	6.77	12.8
17	Jack Pfiester J. Pfiester	153	1906	CHC	31	20	8	.714	29	1.51	20	4	0	250.2	173	42	63	3	63	13	2		966	4	5.49	2.26	2.43	0.11	15.8	6.5	0.94	.232	2.26	57	2.21	80	6.21	15.4
18	Dennis Bennett D. Bennett	149	1962	PHI	31	9	9	.500	24	3.81	7	2	3	174.2	144	74	78	17	68	6	5	3	723	6	7.68	3.50	2.19	0.88	20.6	9.4	1.21	.263	4.02	97	3.45	90	7.42	7.6
19	Jonathon Niese J. Niese	148	2010	NYM	30	9	10	.474	30	4.20	2	1	0	173.2	192	81	97	20	62	9	0	3	770	5	7.67	3.21	2.39	1.04	19.2	8.1	1.46	.324	5.03	108	4.09	105	9.95	-3.7
20	Manny Parra M. Parra	147	2008	MIL	32	10	8	.556	29	4.39	0	0	0	166.0	181	81	91	18	75	2	0	1	741	17	7.97	4.07	1.96	0.98	19.8	10.1	1.54	.327	4.93	103	4.15	96	9.81	3
21	Bob Shirley B. Shirley	146	1977	SDP	39	12	18	.400	35	3.70	1	0	0	214.0	215	88	107	22	100	4	0	14	948	5	6.14	4.21	1.46	0.93	15.4	10.5	1.47	.286	4.50	101	4.16	110	9.04	-9.4
22	Vinegar Bend Mizell V. Bend Mizell	146	1952	SLN	30	10	8	.556	30	3.65	7	2	0	190.0	171	77	89	12	103	1	0		834	1	6.92	4.88	1.42	0.57	17.5	12.4	1.44	.278	4.22	97	3.32	89	8.10	9
23	Joey Lucchesi J. Lucchesi	145	2018	SDP	26	8	9	.471	26	4.08	0	0	0	130.0	125	59	63	23	43	4	0	2	548	4	10.04	2.98	3.37	1.59	26.5	7.8	1.29	.306	4.36	105	4.31	107	8.65	-4.3
24	Cole Hamels C. Hamels	145	2006	PHI	23	9	8	.529	23	4.08	0	0	0	132.1	117	60	66	19	48	3	0	4	558	5	9.86	3.26	3.02	1.29	26.0	8.6	1.25	.286	4.49	89	3.97	85	7.96	10
25	Noodles Hahn N. Hahn	145	1899	CIN	38	23	8	.742	34	2.68	32	4	0	309.0	280	92	128	3	68	10	3		1,237	3	4.22	1.98	2.13	0.09	11.7	5.5	1.13	.274	3.73	69	2.88	74	8.16	34.7