Hugh Mulcahy lost the most games in 1940, with 22 games.

	NAME	L	SEASON	TM	W	L%	G	W%	GS	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	Hugh Mulcahy H. Mulcahy	22	1940	PHN	13	.629	36	.371	36	3.60	82	21	3	0	280.0	283	112	141	12	91	3	0	1,189	6	2.64	2.93	0.90	0.39	6.9	7.7	1.34	.271	4.53	94	3.82	97	9.10	3.8
2	George Caster G. Caster	19	1940	PHA	4	.826	36	.174	24	6.56	75	11	0	2	178.1	234	130	160	18	69	3	8	835	3	3.79	3.48	1.09	0.91	9.0	8.3	1.70	.322	8.07	148	4.52	104	11.81	-3.5
3	Kirby Higbe K. Higbe	19	1940	PHN	14	.576	41	.424	36	3.72	137	20	1	1	283.0	242	117	126	12	121	3	4	1,194	9	4.36	3.85	1.13	0.38	11.5	10.1	1.28	.250	4.01	97	3.73	95	7.70	6.3
4	Dutch Leonard D. Leonard	19	1940	WSH	14	.576	35	.424	35	3.49	124	23	2	0	289.0	328	112	136	19	78	2	0	1,245	10	3.86	2.43	1.59	0.59	10.0	6.3	1.40	.302	4.24	83	3.66	89	10.21	14.5
5	Johnny Rigney J. Rigney	18	1940	CWS	14	.563	39	.438	33	3.11	141	19	2	3	280.2	240	97	117	22	90	2	6	1,152	5	4.52	2.89	1.57	0.71	12.2	7.8	1.18	.243	3.75	72	3.83	90	7.70	12.9
6	Ken Chase K. Chase	17	1940	WSH	15	.531	35	.469	34	3.23	129	20	1	0	261.2	260	94	120	14	143	5	1	1,165	12	4.44	4.92	0.90	0.48	11.1	12.3	1.54	.281	4.13	77	4.24	103	8.94	-4.4
7	Vern Kennedy V. Kennedy	17	1940	SLA	12	.586	34	.414	32	5.59	70	18	0	0	222.1	263	138	149	18	122	3	1	1,020	5	2.83	4.94	0.57	0.73	6.9	12.0	1.73	.304	6.03	123	4.95	111	10.65	-10.8
8	Bill Lee B. Lee	17	1940	CHC	9	.654	37	.346	30	5.03	70	9	1	0	211.1	246	118	129	12	70	2	6	927	2	2.98	2.98	1.00	0.51	7.6	7.6	1.50	.303	5.49	132	3.93	101	10.48	-1
9	Bill Posedel B. Posedel	17	1940	BSN	12	.586	35	.414	32	4.13	86	18	0	1	233.0	263	107	118	16	81	1	2	1,008	3	3.32	3.13	1.06	0.62	8.5	8.0	1.48	.300	4.56	114	4.05	109	10.16	-10.6
10	Jim Bagby J. Bagby	16	1940	BSA	10	.615	36	.385	21	4.73	57	5	1	2	182.2	217	96	104	15	83	1	12	829	5	2.81	4.09	0.69	0.74	6.9	10.0	1.64	.300	5.12	105	4.66	105	10.69	-4.3
11	Sid Hudson S. Hudson	16	1940	WSH	17	.485	38	.515	31	4.57	96	19	3	1	252.0	272	128	149	20	81	3	3	1,090	6	3.43	2.89	1.19	0.71	8.8	7.4	1.40	.283	5.32	109	4.11	100	9.71	-0.3
12	Bob Harris B. Harris	15	1940	SLA	11	.577	35	.423	28	4.93	49	8	1	1	193.2	225	106	120	24	85	3	5	877	8	2.28	3.95	0.58	1.12	5.6	9.7	1.60	.281	5.58	108	5.31	119	10.46	-16.9
13	Bill Lohrman B. Lohrman	15	1940	NYG	10	.600	31	.400	27	3.78	73	11	4	1	195.0	200	82	98	19	43	3	2	810	3	3.37	1.98	1.70	0.88	9.0	5.3	1.25	.269	4.52	97	4.06	102	9.23	-1.7
14	Larry French L. French	14	1940	CHC	14	.500	40	.500	33	3.29	107	18	3	2	246.0	240	90	93	12	64	4	6	1,024	0	3.91	2.34	1.67	0.44	10.4	6.3	1.24	.272	3.40	86	3.43	88	8.78	12.7
15	Harry Gumbert H. Gumbert	14	1940	NYG	12	.538	35	.462	30	3.76	77	14	2	2	237.0	230	99	110	17	81	3	4	1,007	8	2.92	3.08	0.95	0.65	7.6	8.0	1.31	.257	4.18	97	4.18	105	8.73	-5.2
16	Si Johnson S. Johnson	14	1940	PHN	5	.737	37	.263	14	4.88	58	5	0	1	138.1	145	75	81	13	42	2	10	594	2	3.77	2.73	1.38	0.85	9.8	7.1	1.35	.276	5.27	127	4.17	106	9.43	-3.7
17	Ike Pearson I. Pearson	14	1940	PHN	3	.824	29	.176	20	5.45	43	5	1	1	145.1	160	88	91	13	57	3	7	648	4	2.66	3.53	0.75	0.81	6.6	8.8	1.49	.276	5.64	142	4.65	118	9.91	-11.5
18	Nels Potter N. Potter	14	1940	PHA	9	.609	31	.391	25	4.44	73	13	0	0	200.2	213	99	115	18	71	1	5	876	10	3.27	3.18	1.03	0.81	8.3	8.1	1.42	.273	5.16	100	4.35	100	9.55	-0.2
19	Joe Sullivan J. Sullivan	14	1940	BSN	10	.583	36	.417	22	3.55	64	7	0	1	177.1	157	70	89	9	89	8	9	766	2	3.25	4.52	0.72	0.46	8.4	11.6	1.39	.248	4.52	98	4.42	119	7.97	-15.8
20	Whit Wyatt W. Wyatt	14	1940	BKN	15	.483	37	.517	34	3.46	124	16	5	0	239.1	233	92	105	19	62	5	3	1,000	0	4.66	2.33	2.00	0.71	12.4	6.2	1.23	.271	3.95	89	3.67	92	8.76	8.1
21	Johnny Babich J. Babich	13	1940	PHA	14	.481	31	.519	30	3.73	94	16	1	0	229.1	222	95	111	16	80	1	1	988	0	3.69	3.14	1.18	0.63	9.5	8.1	1.32	.258	4.36	84	3.98	92	8.71	9.1
22	Chubby Dean C. Dean	13	1940	PHA	6	.684	30	.316	19	6.61	38	8	1	1	159.1	220	117	136	21	63	0	8	754	5	2.15	3.56	0.60	1.19	5.0	8.4	1.78	.315	7.68	149	5.26	121	12.43	-16.1
23	Dick Errickson D. Errickson	13	1940	BSN	12	.520	34	.480	29	3.16	34	17	3	0	236.1	241	83	91	8	90	1	3	997	1	1.29	3.43	0.38	0.30	3.4	9.0	1.40	.270	3.47	87	4.14	112	9.18	-13.4
24	Ed Heusser E. Heusser	13	1940	PHA	6	.684	41	.316	6	4.99	39	2	0	5	110.0	144	61	84	11	42	2	26	518	1	3.19	3.44	0.93	0.90	7.5	8.1	1.69	.314	6.87	113	4.63	107	11.78	-3.5
25	Bob Klinger B. Klinger	13	1940	PIT	8	.619	39	.381	22	5.39	48	3	0	3	142.0	196	85	102	5	53	5	6	662	5	3.04	3.36	0.91	0.32	7.3	8.0	1.75	.347	6.46	140	3.84	98	12.42	1.5