Lefty Grove has the best record by an MVP in a season, with a record of 31-4 in 1931.

Interpreted as:

best record of mvp in a regular season by a player

	NAME	REC	MVP	SEASON	TM	W%	G	W	L	GS	ERA	SO	CG	SHO	SV	IP	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	Lefty Grove L. Grove	31-4	1	1931	PHA	.886	41	31	4	30	2.06	175	27	4	5	288.2	249	66	84	10	62	1	10		1,160	2	5.46	1.93	2.82	0.31	15.1	5.3	1.08	.262	2.62	47	3.01	70	7.76	40.8
2	Clayton Kershaw C. Kershaw	21-3	1	2014	LAD	.875	27	21	3	27	1.77	239	6	2	0	198.1	139	39	42	9	31	2	0	0	749	7	10.85	1.41	7.71	0.41	31.9	4.1	0.86	.278	1.91	51	1.81	50	6.31	40.5
3	Dennis Eckersley D. Eckersley	7-1	1	1992	OAK	.875	69	7	1	0	1.91	93	0	0	51	80.0	62	17	17	5	11	1	65	6	309	0	10.46	1.24	8.45	0.56	30.1	3.6	0.91	.286	1.91	52	1.71	44	6.98	19.4
4	Roger Clemens R. Clemens	24-4	1	1986	BOS	.857	33	24	4	33	2.48	238	10	1	0	254.0	179	70	77	21	67	4	0	0	997	11	8.43	2.37	3.55	0.74	23.9	6.7	0.97	.237	2.73	58	2.80	69	6.34	36.3
5	Denny McLain D. McLain	31-6	1	1968	DET	.838	41	31	6	41	1.96	280	28	6	0	336.0	241	73	86	31	63	6	0	2	1,288	3	7.50	1.69	4.44	0.83	21.7	4.9	0.90	.231	2.30	64	2.53	79	6.46	24.8
6	Sandy Koufax S. Koufax	25-5	1	1963	LAD	.833	40	25	5	40	1.88	306	20	11	0	311.0	214	65	68	18	58	3	0	7	1,210	6	8.86	1.68	5.28	0.52	25.3	4.8	0.87	.238	1.97	62	1.85	62	6.19	41.9
7	Spud Chandler S. Chandler	20-4	1	1943	NYY	.833	30	20	4	30	1.64	134	20	5	0	253.0	197	46	62	5	54	4	0		989	3	4.77	1.92	2.48	0.18	13.5	5.5	0.99	.242	2.21	50	2.30	68	7.01	29.8
8	Justin Verlander J. Verlander	24-5	1	2011	DET	.828	34	24	5	34	2.40	250	4	2	0	251.0	174	67	73	24	57	3	0	0	969	7	8.96	2.04	4.39	0.86	25.8	5.9	0.92	.236	2.62	58	2.99	74	6.24	29.4
9	Shohei Ohtani S. Ohtani	9-2	1	2021	LAA	.818	23	9	2	23	3.18	156	0	0	0	130.1	98	46	48	15	44	10	0	2	533	10	10.77	3.04	3.55	1.04	29.3	8.3	1.09	.269	3.31	72	3.51	80	6.77	12.2
10	Carl Hubbell C. Hubbell	26-6	1	1936	NYG	.813	42	26	6	34	2.31	123	25	3	3	304.0	265	78	81	7	57	5	6		1,202	3	3.64	1.69	2.16	0.21	10.2	4.7	1.06	.255	2.40	59	3.37	81	7.85	26.6
11	Dizzy Dean D. Dean	30-7	1	1934	SLN	.811	50	30	7	33	2.66	195	24	7	7	311.2	288	92	110	14	75	6	14		1,291	2	5.63	2.17	2.60	0.40	15.1	5.8	1.16	.274	3.18	64	3.23	77	8.32	32.6
12	Don Newcombe D. Newcombe	27-7	1	1956	BKN	.794	38	27	7	36	3.06	139	18	5	0	268.0	219	91	101	33	46	3	2	8	1,052	4	4.67	1.54	3.02	1.11	13.2	4.4	0.99	.224	3.39	78	3.48	86	7.35	17.3
13	Bobby Shantz B. Shantz	24-7	1	1952	PHA	.774	33	24	7	33	2.48	152	27	5	0	279.2	230	77	87	21	63	4	0		1,103	0	4.89	2.03	2.41	0.68	13.8	5.7	1.05	.242	2.80	65	3.00	79	7.40	25
14	Hal Newhouser H. Newhouser	29-9	1	1944	DET	.763	47	29	9	34	2.22	187	25	6	2	312.1	264	77	94	6	102	1	10		1,271	4	5.39	2.94	1.83	0.17	14.7	8.0	1.17	.265	2.71	62	2.58	72	7.61	34.5
15	Mort Cooper M. Cooper	22-7	1	1942	SLN	.759	37	22	7	35	1.78	152	22	10	0	278.2	207	55	73	9	68	5	1		1,100	5	4.91	2.20	2.24	0.29	13.8	6.2	0.99	.229	2.36	53	2.53	72	6.69	30.2
16	Willie Hernandez W. Hernandez	9-3	1	1984	DET	.750	80	9	3	0	1.92	112	0	0	32	140.1	96	30	30	6	36	4	68	8	548	2	7.18	2.31	3.11	0.38	20.4	6.6	0.94	.231	1.92	49	2.58	63	6.16	23.3
17	Vida Blue V. Blue	24-8	1	1971	OAK	.750	39	24	8	39	1.82	301	24	8	0	312.0	209	63	73	19	88	4	0	3	1,207	10	8.68	2.54	3.42	0.55	24.9	7.3	0.95	.239	2.11	56	2.19	66	6.03	41.4
18	Hal Newhouser H. Newhouser	25-9	1	1945	DET	.735	40	25	9	36	1.81	212	29	8	2	313.1	239	63	73	5	110	0	2		1,261	10	6.09	3.16	1.93	0.14	16.8	8.7	1.11	.251	2.10	52	2.45	68	6.86	39.5
19	Bucky Walters B. Walters	27-11	1	1939	CIN	.711	39	27	11	36	2.29	137	31	2	0	319.0	250	81	98	15	109	6	2		1,283	8	3.87	3.08	1.26	0.42	10.7	8.5	1.13	.231	2.76	60	3.81	96	7.05	4.8
20	Bob Gibson B. Gibson	22-9	1	1968	STL	.710	34	22	9	34	1.12	268	28	13	0	304.2	198	38	49	11	62	7	0	6	1,161	4	7.92	1.83	4.32	0.32	23.1	5.3	0.85	.230	1.45	38	1.77	63	5.85	34.8
21	Jim Konstanty J. Konstanty	16-7	1	1950	PHN	.696	74	16	7	0	2.66	56	0	0	22	152.0	108	45	51	11	50	0	62		593	1	3.32	2.96	1.12	0.65	9.4	8.4	1.04	.204	3.02	66	3.78	91	6.39	6.1
22	Shohei Ohtani S. Ohtani	10-5	1	2023	LAA	.667	23	10	5	23	3.14	167	1	1	0	132.0	85	46	50	18	55	11	0	0	531	12	11.39	3.75	3.04	1.23	31.5	10.4	1.06	.239	3.41	72	3.99	91	5.80	6.1
23	Rollie Fingers R. Fingers	6-3	1	1981	MIL	.667	47	6	3	0	1.04	61	0	0	28	78.0	55	9	9	3	13	1	41	5	297	1	7.04	1.50	4.69	0.35	20.5	4.4	0.87	.237	1.04	30	2.07	58	6.35	13.4
24	Carl Hubbell C. Hubbell	23-12	1	1933	NYG	.657	45	23	12	33	1.66	156	22	10	5	308.2	256	57	69	6	47	3	11		1,206	3	4.55	1.37	3.32	0.17	12.9	3.9	0.98	.252	2.01	52	2.53	74	7.46	31.1