which rookie left handed pitcher has the lowest era with at least 70 innings pitched in a season since 1980

Since 1980, Al Holland has the best ERA by a rookie left-hander with 70.0+ innings pitched, with an ERA of 1.75 in 1980.

	NAME	ERA	IP	SEASON	TM	G	W	L	W%	GS	SO	CG	SHO	SV	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	Al Holland A. Holland	1.75	82.1	1980	SFG	54	5	3	.625	0	65	0	0	7	71	16	21	2	34	1	31	8	349	1	7.11	3.72	1.91	0.22	18.6	9.7	1.28	.279	2.30	51	2.76	80	7.76	6.2
2	Zach Duke Z. Duke	1.81	84.2	2005	PIT	14	8	2	.800	14	58	0	0	0	79	17	20	3	23	2	0	2	341	1	6.17	2.44	2.52	0.32	17.0	6.7	1.20	.298	2.13	43	2.99	72	8.40	11.2
3	Jonny Venters J. Venters	1.95	83.0	2010	ATL	79	4	4	.500	0	93	0	0	1	61	18	30	1	39	8	17	2	350	4	10.08	4.23	2.38	0.11	26.6	11.1	1.20	.287	3.25	49	2.69	68	6.61	11.7
4	Chuck McElroy C. McElroy	1.95	101.1	1991	CHC	71	6	2	.750	0	92	0	0	3	73	22	33	7	57	0	12	7	419	1	8.17	5.06	1.61	0.62	22.0	13.6	1.28	.251	2.93	51	3.62	94	6.48	2.7
5	Brock Burke B. Burke	1.97	82.1	2022	TEX	52	7	5	.583	0	90	0	0	0	63	18	25	9	24	2	5	1	328	2	9.84	2.62	3.75	0.98	27.4	7.3	1.06	.266	2.73	50	3.29	81	6.89	6.9
6	Dave Righetti D. Righetti	2.05	105.1	1981	NYY	15	8	4	.667	15	89	2	0	0	75	24	25	1	38	0	0	0	422	1	7.60	3.25	2.34	0.09	21.1	9.0	1.07	.252	2.14	58	2.11	58	6.41	18.2
7	Carlos Diaz C. Diaz	2.05	83.1	1983	NYM	54	3	1	.750	0	64	0	0	2	62	19	22	1	35	1	20	13	339	2	6.91	3.78	1.83	0.11	18.9	10.3	1.16	.256	2.38	57	2.66	73	6.70	9.1
8	Justin Wilson J. Wilson	2.08	73.2	2013	PIT	58	6	1	.857	0	59	0	0	0	50	17	17	4	28	3	8	1	295	5	7.21	3.42	2.11	0.49	20.0	9.5	1.06	.229	2.08	58	3.41	93	6.11	1.9
9	Don Carman D. Carman	2.08	86.1	1985	PHI	71	9	4	.692	0	87	0	0	7	52	20	25	6	38	2	33	3	342	1	9.07	3.96	2.29	0.63	25.4	11.1	1.04	.220	2.61	56	2.96	82	5.42	6.4
10	Tyler Holton T. Holton	2.11	85.1	2023	DET	59	3	2	.600	1	74	0	0	1	56	20	21	9	18	1	7	1	324	4	7.80	1.90	4.11	0.95	22.8	5.6	0.87	.212	2.21	50	3.56	84	5.91	6.5
11	Francisco Liriano F. Liriano	2.16	121.0	2006	MIN	28	12	3	.800	16	144	0	0	1	89	29	31	9	32	1	2	0	473	9	10.71	2.38	4.50	0.67	30.4	6.8	1.00	.279	2.31	48	2.54	58	6.62	25.3
12	Ed Vande Berg E. Vande Berg	2.37	76.0	1982	SEA	78	9	4	.692	0	60	0	0	5	54	20	21	5	32	2	27	7	303	3	7.11	3.79	1.88	0.59	19.8	10.6	1.13	.240	2.49	56	3.33	77	6.39	8.1
13	Bruce Ruffin B. Ruffin	2.46	146.1	1986	PHI	21	9	4	.692	21	70	6	0	0	138	40	53	6	44	1	0	6	600	0	4.31	2.71	1.59	0.37	11.7	7.3	1.24	.276	3.26	64	3.26	87	8.49	7.8
14	Fernando Valenzuela F. Valenzuela	2.48	192.1	1981	LAD	25	13	7	.650	25	180	11	8	0	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
15	Joe Hesketh J. Hesketh	2.49	155.1	1985	MON	25	10	5	.667	25	113	2	1	0	125	43	52	10	45	0	0	2	618	3	6.55	2.61	2.51	0.58	18.3	7.3	1.09	.256	3.01	71	2.93	80	7.24	12.6
16	Randy Tomlin R. Tomlin	2.55	77.2	1990	PIT	12	4	4	.500	12	42	2	0	0	62	22	24	5	12	1	0	1	297	1	4.87	1.39	3.50	0.58	14.1	4.0	0.95	.241	2.78	69	3.06	82	7.18	6
17	Dave Dravecky D. Dravecky	2.57	105.0	1982	SDP	31	5	3	.625	10	59	0	0	2	86	30	37	8	33	1	11	3	426	0	5.06	2.83	1.79	0.69	13.8	7.7	1.13	.240	3.17	74	3.55	100	7.37	-0.2
18	John Franco J. Franco	2.61	79.1	1984	CIN	54	6	2	.750	0	55	0	0	4	74	23	28	3	36	2	30	4	335	2	6.24	4.08	1.53	0.34	16.4	10.7	1.39	.297	3.18	70	3.30	91	8.39	2.9
19	Trevor Rogers T. Rogers	2.64	133.0	2021	MIA	25	7	8	.467	25	157	0	0	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
20	Frank DiPino F. DiPino	2.65	71.1	1983	HOU	53	3	4	.429	0	67	0	0	20	52	21	21	2	20	1	32	5	279	3	8.45	2.52	3.35	0.25	24.0	7.2	1.01	.265	2.65	78	2.11	61	6.56	11.3
21	Mark Thurmond M. Thurmond	2.65	115.1	1983	SDP	21	7	3	.700	18	49	2	0	0	104	34	40	7	33	2	2	2	466	0	3.82	2.58	1.48	0.55	10.5	7.1	1.19	.259	3.12	75	3.59	97	8.12	1.5
22	Steve Howe S. Howe	2.66	84.2	1980	LAD	59	7	9	.438	0	39	0	0	17	83	25	33	1	22	2	36	10	359	1	4.15	2.34	1.77	0.11	10.9	6.1	1.24	.278	3.51	76	2.83	78	8.82	7.3
23	Kevin Rogers K. Rogers	2.68	80.2	1993	SFG	64	2	2	.500	0	62	0	0	0	71	24	28	3	28	4	24	5	334	3	6.92	3.12	2.21	0.33	18.6	8.4	1.23	.287	3.12	70	3.11	78	7.92	8.1
24	Jaime Garcia J. Garcia	2.70	163.1	2010	STL	28	13	8	.619	28	132	1	1	0	151	49	64	9	64	3	0	4	695	4	7.27	3.53	2.06	0.50	19.0	9.2	1.32	.292	3.53	69	3.40	87	8.32	9.3
25	Barry Zito B. Zito	2.72	92.2	2000	OAK	14	7	4	.636	14	78	1	1	0	64	28	30	6	45	2	0	2	376	2	7.58	4.37	1.73	0.58	20.7	12.0	1.18	.237	2.91	56	3.81	80	6.22	10