most games with 10+ strikeouts in a season by a rookie lefthanded pitcher before 2001

Before 2001, Al Downing and Herb Score were tied for the most games pitched by a rookie left-hander with 10+ strikeouts, with 8 games.

	NAME	G	SO	SEASON	TM	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	Al Downing A. Downing	8	91	1963	NYY	7	0	1.000	8	1.48	4	3	0	67.0	36	11	11	2	32	0	0	0	269	3	12.22	4.30	2.84	0.27	33.8	11.9	1.01	.236	1.48	4.84
2	Herb Score H. Score	8	94	1955	CLE	7	1	.875	8	1.78	6	1	0	70.2	35	14	15	3	41	0	0	0	282	0	11.97	5.22	2.29	0.38	33.3	14.5	1.08	.222	1.91	4.46
3	Fernando Valenzuela F. Valenzuela	7	75	1981	LAD	7	0	1.000	7	0.72	6	4	0	62.2	38	5	5	0	18	0	0	0	236	2	10.77	2.59	4.17	0.00	31.8	7.6	0.89	.266	0.72	5.46
4	Rick Ankiel R. Ankiel	6	64	2000	STL	4	1	.800	6	4.25	0	0	0	36.0	31	17	19	8	8	0	0	0	146	0	16.00	2.00	8.00	2.00	43.8	5.5	1.08	.348	4.75	7.75
5	Mark Langston M. Langston	4	47	1984	SEA	3	0	1.000	4	1.62	1	0	0	33.1	12	6	6	1	17	1	0	1	128	0	12.69	4.59	2.76	0.27	36.7	13.3	0.87	.177	1.62	3.24
6	Balor Moore B. Moore	4	48	1972	MON	3	1	.750	4	1.82	2	1	0	34.2	22	7	8	2	11	2	0	2	140	2	12.46	2.86	4.36	0.52	34.3	7.9	0.95	.260	2.08	5.71
7	Jerry Koosman J. Koosman	4	43	1968	NYM	4	0	1.000	4	0.50	4	2	0	36.0	20	2	2	0	6	0	0	0	131	1	10.75	1.50	7.17	0.00	32.8	4.6	0.72	.244	0.50	5.00
8	Dennis Bennett D. Bennett	4	45	1962	PHI	2	1	.667	4	3.31	2	1	0	32.2	22	12	12	1	9	0	0	0	125	0	12.40	2.48	5.00	0.28	36.0	7.2	0.95	.300	3.31	6.06
9	Jesus Sanchez J. Sanchez	3	31	1998	FLA	2	1	.667	3	5.32	0	0	0	22.0	17	13	14	3	15	1	0	0	98	0	12.68	6.14	2.07	1.23	31.6	15.3	1.45	.292	5.73	6.95
10	Randy Johnson R. Johnson	3	33	1989	SEA	2	1	.667	3	2.96	1	0	0	24.1	17	8	9	2	7	0	0	0	95	0	12.21	2.59	4.71	0.74	34.7	7.4	0.99	.283	3.33	6.29
11	Jim Deshaies J. Deshaies	3	31	1986	HOU	2	0	1.000	3	1.57	1	1	0	23.0	10	4	4	2	7	0	0	0	84	0	12.13	2.74	4.43	0.78	36.9	8.3	0.74	.182	1.57	3.91
12	Bill Butler B. Butler	3	30	1969	KCR	1	1	.500	3	3.38	1	0	0	24.0	25	9	11	3	8	0	0	0	104	1	11.25	3.00	3.75	1.13	28.8	7.7	1.38	.349	4.13	9.38
13	Jack Harshman J. Harshman	3	38	1954	CWS	3	0	1.000	3	0.53	3	2	0	34.0	18	2	2	0	19	0	0		138	0	10.06	5.03	2.00	0.00	27.5	13.8	1.09	.222	0.53	4.76
14	Noble LaMaster N. LaMaster	3	30	1937	PHN	3	0	1.000	3	1.33	3	1	0	27.0	14	4	4	2	3	0	0		98	0	10.00	1.00	10.00	0.67	30.6	3.1	0.63	.190	1.33	4.67
15	Randy Wolf R. Wolf	2	21	1999	PHI	2	0	1.000	2	1.93	0	0	0	14.0	9	3	3	2	3	0	0	0	54	0	13.50	1.93	7.00	1.29	38.9	5.6	0.86	.250	1.93	5.79
16	Frank Tanana F. Tanana	2	20	1974	CAL	1	1	.500	2	1.06	2	1	0	17.0	13	2	2	2	2	1	0	0	65	0	10.59	1.06	10.00	1.06	30.8	3.1	0.88	.275	1.06	6.88
17	Les Cain L. Cain	2	20	1970	DET	1	0	1.000	2	4.20	1	0	0	15.0	13	7	7	2	5	1	0	0	64	1	12.00	3.00	4.00	1.20	31.3	7.8	1.20	.306	4.20	7.80
18	Mike Kilkenny M. Kilkenny	2	23	1969	DET	2	0	1.000	2	0.50	2	1	0	18.0	8	1	1	1	7	0	0	0	69	0	11.50	3.50	3.29	0.50	33.3	10.1	0.83	.184	0.50	4.00
19	Gary Peters G. Peters	2	24	1963	CWS	2	0	1.000	2	0.50	2	1	0	18.0	7	1	1	0	4	0	0	0	64	0	12.00	2.00	6.00	0.00	37.5	6.3	0.61	.194	0.50	3.50
20	Bo Belinsky B. Belinsky	2	21	1962	LAA	1	1	.500	2	1.88	0	0	0	14.1	9	3	4	1	7	0	0	0	59	1	13.19	4.40	3.00	0.63	35.6	11.9	1.12	.267	2.51	5.65
21	Danny McDevitt D. McDevitt	2	21	1957	BKN	1	0	1.000	2	2.65	1	0	0	17.0	17	5	7	0	8	1	0	0	76	1	11.12	4.24	2.63	0.00	27.6	10.5	1.47	.370	3.71	9.00
22	Billy O'Dell B. O'Dell	2	21	1957	BAL	1	1	.500	2	2.25	1	1	0	16.0	14	4	4	1	5	1	0	0	68	0	11.81	2.81	4.20	0.56	30.9	7.4	1.19	.325	2.25	7.88
23	Karl Spooner K. Spooner	2	27	1954	BKN	2	0	1.000	2	0.00	2	2	0	18.0	7	0	0	0	6	0	0		68	0	13.50	3.00	4.50	0.00	39.7	8.8	0.72	.200	0.00	3.50
24	Harvey Haddix H. Haddix	2	20	1953	SLN	2	0	1.000	2	2.00	2	0	0	18.0	13	4	4	0	0	0	0		66	1	10.00	0.00		0.00	30.3	0.0	0.72	.283	2.00	6.50
25	Vinegar Bend Mizell V. Bend Mizell	2	22	1952	SLN	2	0	1.000	2	0.00	2	2	0	18.0	11	0	0	0	9	0	0		73	0	11.00	4.50	2.44	0.00	30.1	12.3	1.11	.262	0.00	5.50