Charlie Reilly has the highest OPS with 20+ at-bats in a season, with an OPS of 1.452 in his rookie season in 1889.

Interpreted as:

highest ops by a player in a season with 20 or more ab

	NAME	OPS	AB	SEASON	TM	G	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	WRC	WRAA	WOBA	WRC+	BRAA
1	Charlie Reilly C. Reilly	1.452	23	1889	COL	6	5	11	1	0	3	6	2	1	2	9		26	21	4					.478	.538	.913	10	6.5	.634	260	6.6
2	J.D. Drew	1.436	36	1998	STL	14	9	15	3	1	5	13	4	0	10	0	0	41	35	9	0	1	0	4	.417	.463	.972	13	8.4	.576	260	8.3
3	Barry Bonds B. Bonds	1.422	373	2004	SFG	147	129	135	27	3	45	101	232	9	41	6	1	617	303	75	0	3	120	5	.362	.609	.812	185	108	.537	233	105.7
4	Ted Williams T. Williams	1.410	91	1953	BOS	37	17	37	6	0	13	34	19	0	10	0	1	110	82	19	0			1	.407	.509	.901	36	22.6	.593	255	21.1
5	Barry Bonds B. Bonds	1.381	403	2002	SFG	143	117	149	31	2	46	110	198	9	47	9	2	612	322	79	0	2	68	4	.370	.582	.799	183	110	.544	244	109.9
6	Babe Ruth B. Ruth	1.379	458	1920	NYY	142	158	172	36	9	54	135	150	3	80	14	14	616	388	99	5				.376	.532	.847	191	120.9	.597	237	110.5
7	Barry Bonds B. Bonds	1.379	476	2001	SFG	153	129	156	32	2	73	137	177	9	93	13	3	664	411	107	0	2	35	5	.328	.515	.863	200	117.7	.537	234	116.6
8	Dan Johnson D. Johnson	1.367	22	2012	CWS	14	8	8	1	0	3	6	9	0	3	0	0	31	18	4	0	0	1	0	.364	.548	.818	9	5.8	.550	255	5.6
9	Babe Ruth B. Ruth	1.359	540	1921	NYY	152	177	204	44	16	59	168	145	4	81	17	13	693	457	119	4				.378	.512	.846	214	127.8	.575	224	118.7
10	Monte Cross M. Cross	1.357	43	1894	PIT	13	14	19	1	5	2	13	5	2	4	6		53	36	8	3				.442	.520	.837	20	10.2	.571	201	10.1
11	Rudy Pemberton R. Pemberton	1.336	41	1996	BOS	13	11	21	8	0	1	10	2	2	4	3	1	45	32	9	0	0	0	0	.512	.556	.780	15	9.1	.572	237	8.5
12	Freddy Leach F. Leach	1.321	28	1924	PHN	8	6	13	2	1	2	7	2	0	1	0	0	31	23	5	1				.464	.500	.821	10	5.8	.584	238	5.3
13	Shane Spencer S. Spencer	1.321	67	1998	NYY	27	18	25	6	0	10	27	5	0	12	0	1	73	61	16	0	1	0	0	.373	.411	.910	22	12.6	.538	230	12.3
14	Tripp Sigman T. Sigman	1.321	29	1929	PHN	10	8	15	1	0	2	9	3	0	1	0		32	22	3	0				.517	.563	.759	11	6.3	.584	216	5.5
15	Sam Horn S. Horn	1.321	33	1993	CLE	12	8	15	1	0	4	8	1	1	5	0	0	36	28	5	0	1	0	1	.455	.472	.848	11	6.7	.557	248	6.6
16	Babe Ruth B. Ruth	1.309	522	1923	NYY	152	151	205	45	13	41	130	170	4	93	17	21	699	399	99	3				.393	.545	.764	211	124.7	.571	230	120.4
17	Ted Williams T. Williams	1.287	456	1941	BSA	143	135	185	33	3	37	120	147	3	27	2	4	606	335	73	0			10	.406	.553	.735	179	108.8	.568	221	96.9
18	Barry Bonds B. Bonds	1.278	390	2003	SFG	130	111	133	22	1	45	90	148	10	58	7	0	550	292	68	0	2	61	7	.341	.529	.749	148	80.5	.503	212	79.4
19	Mike Hessman M. Hessman	1.276	27	2008	DET	12	6	8	1	0	5	7	2	2	9	0	0	31	24	6	0	0	0	0	.296	.387	.889	9	4.9	.518	224	4.7
20	Gary Ward G. Ward	1.269	41	1980	MIN	13	11	19	6	2	1	10	3	0	6	0	0	46	32	9	1	1	1	0	.463	.489	.780	13	7.8	.540	236	7.4
21	Bobby Estalella B. Estalella	1.265	29	1997	PHI	13	9	10	1	0	4	9	7	0	7	0	0	36	23	5	0	0	0	2	.345	.472	.793	10	5.7	.523	220	5.5
22	Joe Peitz J. Peitz	1.262	26	1894	STL	7	10	11	2	3	0	3	6	0	1	2		32	19	5	0				.423	.531	.731	11	5.5	.550	188	5.3
23	Babe Ruth B. Ruth	1.258	540	1927	NYY	151	158	192	29	8	60	165	137	0	89	7	6	691	417	97	14				.356	.486	.772	195	109.9	.545	212	104.8
24	Ted Williams T. Williams	1.257	420	1957	BOS	132	96	163	28	1	38	87	119	5	43	0	1	546	307	67	0	2	33	11	.388	.526	.731	148	87.3	.524	223	79
25	Craig Wilson C. Wilson	1.256	47	1998	CWS	13	14	22	5	0	3	10	3	0	6	1	0	53	36	8	2	1	0	0	.468	.490	.766	15	8.8	.530	225	8.6