most earned runs allowed by a rookie since 1950

Since 1950, Roger Erickson has given up the most earned runs by a rookie, with 117 earned runs in 1978.

	NAME	ER	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	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	Roger Erickson R. Erickson	117	1978	MIN	37	14	13	.519	37	3.96	121	14	0	0	265.2	268	129	19	79	8	0	1	1,120	8	4.10	2.68	1.53	0.64	10.8	7.1	1.31	.279	4.37	103	3.58	94	9.08	6.6
2	Jeff Francis J. Francis	116	2005	COL	33	14	12	.538	33	5.68	128	0	0	0	183.2	228	119	26	70	8	0	5	828	2	6.27	3.43	1.83	1.27	15.5	8.5	1.62	.339	5.83	122	4.73	106	11.17	-4.9
3	Javier Vazquez J. Vazquez	116	1998	MON	33	5	15	.250	32	6.06	139	0	0	0	172.1	196	121	31	68	11	1	2	764	2	7.26	3.55	2.04	1.62	18.2	8.9	1.53	.320	6.32	143	5.23	122	10.24	-17.8
4	Jerry Garvin J. Garvin	114	1977	TOR	34	10	18	.357	34	4.19	127	12	1	0	244.2	247	127	33	85	4	0	5	1,046	2	4.67	3.13	1.49	1.21	12.1	8.1	1.36	.269	4.67	99	4.53	110	9.09	-10.3
5	Carl Morton C. Morton	114	1970	MON	43	18	11	.621	37	3.60	154	10	4	0	284.2	281	123	27	125	4	1	17	1,218	2	4.87	3.95	1.23	0.85	12.6	10.3	1.43	.280	3.89	87	4.14	106	8.88	-6.8
6	Bill Wegman B. Wegman	113	1986	MIL	35	5	12	.294	32	5.13	82	2	0	0	198.1	217	120	32	43	7	1	2	836	5	3.72	1.95	1.91	1.45	9.8	5.1	1.31	.275	5.45	122	4.79	116	9.85	-15.1
7	Al Jackson A. Jackson	113	1962	NYM	36	8	20	.286	33	4.40	118	12	4	0	231.1	244	132	16	78	5	2	5	997	9	4.59	3.03	1.51	0.62	11.8	7.8	1.39	.292	5.14	107	3.57	90	9.49	10.9
8	Paul Thormodsgard P. Thormodsgard	112	1977	MIN	37	11	15	.423	37	4.62	94	8	1	0	218.0	236	122	25	65	3	0	1	926	6	3.88	2.68	1.45	1.03	10.2	7.0	1.38	.286	5.04	112	4.29	105	9.74	-4.5
9	Steve Busby S. Busby	112	1973	KCR	37	16	15	.516	37	4.23	174	7	1	0	238.1	246	125	18	105	6	0	7	1,037	9	6.57	3.97	1.66	0.68	16.8	10.1	1.47	.311	4.72	108	3.48	89	9.29	11.6
10	Arnie Portocarrero A. Portocarrero	112	1954	PHA	34	9	18	.333	33	4.06	132	16	1	0	248.0	233	124	25	114	5	0		1,086	9	4.79	4.14	1.16	0.91	12.2	10.5	1.40	.257	4.50	106	4.08	106	8.46	-5.7
11	Phil Huffman P. Huffman	111	1979	TOR	31	6	18	.250	31	5.77	56	2	1	0	173.0	220	130	25	68	0	0	0	802	5	2.91	3.54	0.82	1.30	7.0	8.5	1.66	.299	6.76	132	5.13	120	11.45	-16.1
12	Sam Jones S. Jones	110	1955	CHC	36	14	20	.412	34	4.10	198	12	4	0	241.2	175	118	22	185	14	1	5	1,070	5	7.37	6.89	1.07	0.82	18.5	17.3	1.49	.235	4.39	100	4.38	106	6.52	-6.3
13	Gerry Janeski G. Janeski	109	1970	CWS	35	10	17	.370	35	4.77	79	4	1	0	205.2	247	125	22	63	5	0	10	907	5	3.46	2.76	1.25	0.96	8.7	6.9	1.51	.305	5.47	123	4.25	104	10.81	-3.3
14	Eric Milton E. Milton	108	1998	MIN	32	8	14	.364	32	5.64	107	1	0	0	172.1	195	113	25	70	2	0	0	772	1	5.59	3.66	1.53	1.31	13.9	9.1	1.54	.299	5.90	118	5.03	111	10.18	-9.9
15	Chris Reitsma C. Reitsma	107	2001	CIN	36	7	15	.318	29	5.29	96	0	0	0	182.0	209	121	23	49	5	1	6	800	5	4.75	2.42	1.96	1.14	12.0	6.1	1.42	.297	5.98	119	4.52	100	10.34	0.4
16	Brad Radke B. Radke	107	1995	MIN	29	11	14	.440	28	5.32	75	2	1	0	181.0	195	112	32	47	4	0	0	772	4	3.73	2.34	1.60	1.59	9.7	6.1	1.34	.265	5.57	111	5.41	116	9.70	-14.8
17	Jose Jimenez J. Jimenez	106	1999	STL	29	5	14	.263	28	5.85	113	2	2	0	163.0	173	114	16	71	11	0	2	727	10	6.24	3.92	1.59	0.88	15.5	9.8	1.50	.304	6.29	130	4.52	96	9.55	3.5
18	Jim Hughes J. Hughes	106	1975	MIN	37	16	14	.533	34	3.82	130	12	2	0	249.2	241	119	17	127	13	1	3	1,100	10	4.69	4.58	1.02	0.61	11.8	11.5	1.47	.276	4.29	99	4.10	108	8.69	-8.2
19	Glendon Rusch G. Rusch	104	1997	KCR	30	6	9	.400	27	5.50	116	1	0	0	170.1	206	111	28	52	7	0	0	758	0	6.13	2.75	2.23	1.48	15.3	6.9	1.51	.321	5.86	119	4.92	106	10.88	-5.3
20	Alan Benes A. Benes	104	1996	STL	34	13	10	.565	32	4.90	131	3	1	0	191.0	192	120	27	87	7	1	3	840	5	6.17	4.10	1.51	1.27	15.6	10.4	1.46	.281	5.65	117	5.11	119	9.05	-17.3
21	Steve Sparks S. Sparks	104	1995	MIL	33	9	11	.450	27	4.63	96	3	0	0	202.0	210	111	17	86	5	2	1	875	5	4.28	3.83	1.12	0.76	11.0	9.8	1.47	.288	4.95	95	4.59	98	9.36	1.9
22	Colby Lewis C. Lewis	103	2003	TEX	26	10	9	.526	26	7.30	88	0	0	0	127.0	163	104	23	70	5	0	1	594	5	6.24	4.96	1.26	1.63	14.8	11.8	1.83	.343	7.37	152	5.76	125	11.55	-15.9
23	Rich DeLucia R. DeLucia	103	1991	SEA	32	12	13	.480	31	5.09	98	0	0	0	182.0	176	107	31	78	4	0	4	779	10	4.85	3.86	1.26	1.53	12.6	10.0	1.40	.255	5.29	123	5.34	132	8.70	-26.2
24	Tom Browning T. Browning	103	1985	CIN	38	20	9	.690	38	3.55	155	6	4	0	261.1	242	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
25	Jack Hamilton J. Hamilton	103	1962	PHI	41	9	12	.429	26	5.09	101	4	1	2	182.0	185	115	18	107	5	8	8	820	22	4.99	5.29	0.94	0.89	12.3	13.0	1.60	.284	5.69	129	4.64	121	9.15	-16.2