least rating with at least 1 start by 1bs

First basemen had their fewest starts with 1+ start in a season in 1937 and in 1877, with 1 start.

Interpreted as:

least rating with at least 1 start in a regular season by 1bs

	POSITION	GS	SEASON	G	W	L	W%	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	First Baseman	1	1937	2	1	0	1.000	4.00	4	0	0	0	9.0	7	4	4	0	6	0	1	40	0	4.00	6.00	0.67	0.00	10.0	15.0	1.44	.233	4.00	86	4.15	91	7.00	0.4
2	First Baseman	1	1877	4	1	0	1.000	3.27	2	0	0	1	11.0	17	4	12	0	0		2	53	0	1.64	0.00		0.00	3.8	0.0	1.55		9.82	112	2.48	85	13.91	0.7
3	First Baseman	2	1945	9	1	0	1.000	1.59	10	0	0	0	22.2	13	4	4	0	14	1	7	94	0	3.97	5.56	0.71	0.00	10.6	14.9	1.19	.188	1.59	42	3.64	99	5.16	0
4	First Baseman	2	1918	6	0	1	.000	5.00	7	1	0	1	18.0	25	10	14	0	6	1	4	88	1	3.50	3.00	1.17	0.00	8.0	6.8	1.72	.338	7.00	185	2.62	95	12.50	0.2
5	First Baseman	2	1911	4	0	2	.000	8.35	9	0	0	0	18.1	24	17	21	0	10	2	1	84	3	4.42	4.91	0.90	0.00	10.7	11.9	1.85	.381	10.31	255	3.75	120	11.78	-1.3
6	First Baseman	2	1902	3	0	2	.000	7.62	4	1	0	0	13.0	23	11	18	0	7	1	0	76	0	2.77	4.85	0.57	0.00	5.3	9.2	2.31	.359	12.46	227	3.90	117	15.92	-0.9
7	First Baseman	2	1883	7	1	1	.500	8.36	13	1	0	1	28.0	48	26	39	0	11		5	150	3	4.18	3.54	1.18	0.00	8.7	7.3	2.11		12.54	267	3.50	113	15.43	-1.3
8	First Baseman	3	1922	6	0	3	.000	13.17	1	0	0	0	13.2	28	20	24	0	7	1	2	77	0	0.66	4.61	0.14	0.00	1.3	9.1	2.56	.412	15.80	321	4.62	115	18.44	-0.9
9	First Baseman	3	1916	3	1	2	.333	1.00	12	3	1	0	27.0	18	3	4	0	6	1	0	98	0	4.00	2.00	2.00	0.00	12.2	6.1	0.89	.228	1.33	36	2.20	80	6.00	1.6
10	First Baseman	3	1879	8	0	4	.000	5.55	21	3	0	0	47.0	82	29	59	1	12		2	239	9	4.02	2.30	1.75	0.19	8.8	5.0	2.00		11.30	230	2.89	119	15.70	-3
11	First Baseman	4	1884	14	0	3	.000	5.34	29	2	0	2	59.0	80	35	57	4	15		10	285	7	4.42	2.29	1.93	0.61	10.2	5.3	1.61	.321	8.69	181	3.94	130	12.20	-6.1
12	First Baseman	5	1891	7	3	2	.600	3.40	14	5	0	0	53.0	54	20	26	1	16	1	2	230	0	2.38	2.72	0.88	0.17	6.1	7.0	1.32	.268	4.42	105	3.21	96	9.17	0.2
13	First Baseman	6	1905	12	5	2	.714	2.62	37	4	0	1	68.2	52	20	31	1	21	3	5	273	1	4.85	2.75	1.76	0.13	13.6	7.7	1.06	.242	4.06	86	2.68	90	6.82	2.4
14	First Baseman	6	1904	7	0	6	.000	3.59	27	3	0	0	42.2	52	17	40	0	27	7	1	207	3	5.70	5.70	1.00	0.00	13.0	13.0	1.85	.356	8.44	133	3.54	127	10.97	-3.7
15	First Baseman	6	1903	7	1	3	.250	3.72	21	5	0	1	48.1	47	20	28	0	18	3	1	210	1	3.91	3.35	1.17	0.00	10.0	8.6	1.34	.280	5.21	117	3.19	99	8.75	0
16	First Baseman	6	1876	13	5	2	.714	1.41	9	5	0	2	63.2	67	10	31	0	2		5	270	2	1.27	0.28	4.50	0.00	3.3	0.7	1.08		4.38	59	2.04	86	9.47	3.1
17	First Baseman	7	1909	13	4	5	.444	3.43	25	0	0	0	63.0	69	24	35	0	33	4	5	268	4	3.57	4.71	0.76	0.00	9.3	12.3	1.62	.335	5.00	137	3.19	131	9.86	-5.1
18	First Baseman	8	1928	28	6	5	.545	4.54	53	3	0	2	107.0	110	54	59	7	51	2	16	476	3	4.46	4.29	1.04	0.59	11.1	10.7	1.50	.284	4.96	111	4.25	108	9.25	-3.5
19	First Baseman	8	1915	15	4	4	.500	2.83	41	6	0	0	70.0	62	22	26	0	38	4	3	293	1	5.27	4.89	1.08	0.00	14.0	13.0	1.43	.295	3.34	99	3.04	106	7.97	-1.5
20	First Baseman	11	1926	28	3	5	.375	4.79	34	3	1	1	112.2	143	60	80	2	43	7	16	526	1	2.72	3.43	0.79	0.16	6.5	8.2	1.65	.320	6.39	125	3.87	103	11.42	-1.4
21	First Baseman	12	1882	16	6	7	.462	1.18	37	11	0	0	114.0	90	15	57	0	8		2	451	8	2.92	0.63	4.63	0.00	8.2	1.8	0.86		4.50	45	2.33	84	7.11	5.1
22	First Baseman	15	1890	21	5	10	.333	4.38	38	14	0	3	158.1	196	77	125	9	54	5	6	725	5	2.16	3.07	0.70	0.51	5.2	7.4	1.58	.302	7.11	134	4.29	123	11.14	-18.7
23	First Baseman	19	1886	21	7	12	.368	4.87	49	18	0	0	170.0	227	92	152	4	55		2	806	12	2.59	2.91	0.89	0.21	6.1	6.8	1.66	.322	8.05	151	3.91	121	12.02	-14.1
24	First Baseman	20	1889	33	8	13	.381	5.23	54	18	0	0	211.2	285	123	195	9	66	5	10	984	18	2.30	2.81	0.82	0.38	5.5	6.7	1.66	.325	8.29	138	4.05	108	12.12	-8
25	First Baseman	26	1888	32	8	19	.296	3.53	78	26	0	0	247.0	286	97	179	5	49	10	6	1,085	10	2.84	1.79	1.59	0.18	7.2	4.5	1.36	.298	6.52	116	2.93	98	10.42	1.9