least runs allowed while pitching at least 50 ip all-time

Steve Shifflett has allowed the fewest career runs when pitching at least 50 innings, with 15 runs.

Interpreted as:

least runs allowed by a player while pitching at least 50 ip all-time

	NAME	R	IP	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	H	ER	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	Steve Shifflett S. Shifflett	15	52.0	34	1	4	.200	0	2.60	25	0	0	0	55	15	6	17	2	15	6	221	2	4.33	2.94	1.47	1.04	11.3	7.7	1.38	.287	2.60	65	4.41	116	9.52	-3.6
2	Bryan King B. King	16	53.1	57	4	1	.800	0	2.70	61	0	0	0	41	16	3	16	5	10	0	219	1	10.29	2.70	3.81	0.51	27.9	7.3	1.07	.284	2.70	68	2.74	68	6.92	7.7
3	Steven Shell S. Shell	17	55.0	43	2	2	.500	0	2.45	46	0	0	2	39	15	6	22	2	7	1	221	1	7.53	3.60	2.09	0.98	20.8	10.0	1.11	.228	2.78	58	4.17	96	6.38	1.1
4	Don Newhauser D. Newhauser	17	52.2	42	4	3	.571	0	2.39	37	0	0	5	44	14	2	42	3	26	8	243	3	6.32	7.18	0.88	0.34	15.2	17.3	1.63	.264	2.91	70	4.09	115	7.52	-2.8
5	Dave Pavlas D. Pavlas	18	51.0	34	2	0	1.000	0	2.65	33	0	0	1	57	15	3	13	1	13	4	219	6	5.82	2.29	2.54	0.53	15.1	5.9	1.37	.320	3.18	61	3.29	78	10.06	6.3
6	Jim Weaver J. Weaver	18	53.0	27	3	1	.750	2	2.55	28	0	0	1	48	15	6	19	1	7	4	220	1	4.75	3.23	1.47	1.02	12.7	8.6	1.26	.253	3.06	85	4.02	130	8.15	-5.6
7	Vic Black V. Black	19	51.2	59	5	3	.625	0	2.96	47	0	0	1	43	17	3	25	3	15	0	224	5	8.19	4.35	1.88	0.52	21.0	11.2	1.32	.274	3.31	84	3.66	99	7.49	0.2
8	Mike Crudale M. Crudale	19	73.1	71	3	1	.750	1	2.09	60	0	0	0	55	17	4	32	2	20	3	306	4	7.36	3.93	1.88	0.49	19.6	10.5	1.19	.245	2.33	51	3.44	82	6.75	6
9	Michael Kelly M. Kelly	20	55.2	49	4	2	.667	0	2.75	44	0	0	0	45	17	3	23	4	23	1	230	4	7.11	3.72	1.91	0.49	19.1	10.0	1.22	.269	3.23	68	3.75	93	7.28	1.9
10	Ron Flores R. Flores	20	56.0	53	1	4	.200	0	3.05	41	0	0	1	52	19	6	22	0	19	7	237	2	6.59	3.54	1.86	0.96	17.3	9.3	1.32	.274	3.21	69	4.25	96	8.36	1.2
11	George Cappuzzello G. Cappuzzello	20	53.0	35	1	2	.333	3	3.23	32	0	0	1	44	19	4	25	5	11	3	227	5	5.43	4.25	1.28	0.68	14.1	11.0	1.30	.248	3.40	90	4.11	113	7.47	-2.8
12	Fred Waters F. Waters	20	56.0	25	2	2	.500	5	2.89	14	1	0	0	55	18	4	32	1	8	1	248	1	2.25	5.14	0.44	0.64	5.6	12.9	1.55	.259	3.21	78	4.57	118	8.84	-4.6
13	Brant Hurter B. Hurter	21	81.1	29	8	2	.800	3	2.21	72	0	0	2	59	20	7	15	4	4	2	315	0	7.97	1.66	4.80	0.77	22.9	4.8	0.91	.240	2.32	56	3.17	79	6.53	7.9
14	Drey Jameson D. Jameson	21	68.0	22	6	2	.750	7	2.65	61	0	0	2	64	20	8	28	2	5	0	285	2	8.07	3.71	2.18	1.06	21.4	9.8	1.35	.301	2.78	61	4.25	103	8.47	-1.3
15	Scott Blewett S. Blewett	21	57.1	34	3	1	.750	1	2.83	52	0	0	0	53	18	7	25	2	16	2	245	1	8.16	3.92	2.08	1.10	21.2	10.2	1.36	.289	3.30	69	4.30	108	8.32	-1.7
16	Eduardo Sanchez E. Sanchez	21	51.1	47	3	3	.500	0	3.68	53	0	0	5	30	21	4	34	4	16	4	217	10	9.29	5.96	1.56	0.70	24.4	15.7	1.25	.213	3.68	97	4.21	111	5.26	-2.5
17	Ray Newman R. Newman	21	63.2	45	3	3	.500	0	2.97	46	0	0	4	53	21	6	24	0	24	1	261	3	6.50	3.39	1.92	0.85	17.6	9.2	1.21	.254	2.97	78	3.38	92	7.49	2.1
18	Dick Estelle D. Estelle	21	53.0	12	1	2	.333	7	3.23	29	0	0	0	51	19	3	31	1	1	1	241	1	4.92	5.26	0.94	0.51	12.0	12.9	1.55	.271	3.57	91	4.04	119	8.66	-3.8
19	Glenn Gardner G. Gardner	21	54.2	17	3	1	.750	4	3.29	20	2	1	1	50	20	2	27	0	4		237	0	3.29	4.45	0.74	0.33	8.4	11.4	1.41	.255	3.46	87	3.76	102	8.23	-0.4
20	Wally Holborow W. Holborow	21	51.2	21	2	3	.400	2	3.31	18	2	1	0	52	19	1	25	0	12		223	0	3.14	4.35	0.72	0.17	8.1	11.2	1.49	.285	3.66	88	3.59	99	9.06	0
21	Tacks Neuer T. Neuer	21	54.0	7	4	2	.667	6	2.17	22	6	3	0	40	13	1	19	0	1		211	0	3.67	3.17	1.16	0.17	10.4	9.0	1.09	.231	3.50	80	2.66	106	6.67	-0.4
22	Chad Patrick C. Patrick	22	69.2	14	3	5	.375	13	2.84	63	0	0	0	63	22	5	21	3	0	1	288	0	8.14	2.71	3.00	0.65	21.9	7.3	1.21	.296	2.84	71	3.22	81	8.14	6
23	Porter Hodge P. Hodge	22	62.1	60	5	2	.714	0	2.89	71	0	0	11	37	20	4	30	1	22	0	248	5	10.25	4.33	2.37	0.58	28.6	12.1	1.07	.232	3.18	73	3.18	81	5.34	5.4
24	Tejay Antone T. Antone	22	76.2	45	2	3	.400	5	2.47	96	0	0	3	42	21	7	35	5	7	0	301	3	11.27	4.11	2.74	0.82	31.9	11.6	1.00	.222	2.58	54	3.43	75	4.93	9.4
25	Ryan Sherriff R. Sherriff	22	51.0	49	3	2	.600	0	3.53	41	0	0	2	47	20	3	19	7	12	0	222	2	7.24	3.35	2.16	0.53	18.5	8.6	1.29	.289	3.88	86	3.86	93	8.29	1.8