Babe Ruth has the best career OPS by a left-hander, with an OPS of 1.164.

Interpreted as:

best career ops with a minimum of 3000 PA by a left handed hitter

	NAME	OPS	PA	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	wRC	WRAA	wOBA	wRC+	BRAA
1	Babe Ruth B. Ruth	1.164	10,617	2,503	8,399	2,174	2,873	506	136	714	2,214	2,062	43	1,330	123		5,793	1,356	113				.342	.474	.690	2727	1,436.8	.513	197	1,369.6
2	Ted Williams T. Williams	1.116	9,791	2,292	7,706	1,798	2,654	525	71	521	1,839	2,021	39	709	24	4	4,884	1,117	5	20	86	197	.344	.482	.634	2349	1,219.7	.493	188	1,067
3	Lou Gehrig L. Gehrig	1.080	9,660	2,164	8,001	1,888	2,721	534	163	493	1,995	1,508	45	790	102		5,060	1,190	106			2	.340	.447	.632	2265	1,046.8	.477	173	980
4	Barry Bonds B. Bonds	1.051	12,606	2,986	9,847	2,227	2,935	601	77	762	1,996	2,558	106	1,539	514	141	5,976	1,440	4	91	688	165	.298	.444	.607	2663	1,143.3	.435	172	1,142
5	Stan Musial S. Musial	.976	12,712	3,026	10,972	1,949	3,630	725	177	475	1,951	1,599	53	696	78	31	6,134	1,377	35	53	127	243	.331	.417	.559	2474	1,032.5	.435	158	896.7
6	Larry Walker L. Walker	.965	8,030	1,988	6,907	1,355	2,160	471	62	383	1,311	913	138	1,231	230	76	3,904	916	7	65	117	153	.313	.400	.565	1532	556.6	.412	140	406.2
7	Johnny Mize J. Mize	.959	7,371	1,884	6,443	1,118	2,011	367	83	359	1,337	856	52	524	28	0	3,621	809	20			76	.312	.397	.562	1421	546.3	.433	157	508.1
8	Shohei Ohtani S. Ohtani	.957	4,316	1,018	3,730	708	1,050	192	45	280	669	541	25	1,104	165	43	2,172	517	0	20	88	49	.282	.374	.582	807	292.3	.397	156	288.6
9	Jim Thome J. Thome	.956	10,313	2,543	8,422	1,583	2,328	451	26	612	1,699	1,747	69	2,548	19	20	4,667	1,089	1	74	173	165	.276	.402	.554	1925	653.9	.406	145	589.5
10	Todd Helton T. Helton	.953	9,450	2,247	7,962	1,401	2,519	592	37	369	1,406	1,335	57	1,175	37	29	4,292	998	3	93	185	186	.316	.414	.539	1765	612.5	.405	132	389.5
11	Juan Soto J. Soto	.948	4,801	1,096	3,857	775	1,086	199	16	244	697	896	19	833	95	27	2,049	459	3	26	80	101	.282	.417	.531	919	344.3	.402	158	338.1
12	Mel Ott M. Ott	.947	11,337	2,730	9,456	1,859	2,876	488	72	511	1,860	1,708	64	896	89		5,041	1,071	109			38	.304	.414	.533	2204	826.4	.430	156	794.2
13	Lefty O'Doul L. O'Doul	.945	3,659	970	3,264	624	1,140	175	41	113	542	333	23	122	36		1,736	329	39				.349	.413	.532	717	250.6	.426	142	211.5
14	Ty Cobb T. Cobb	.945	13,068	3,034	11,434	2,244	4,189	724	295	117	1,933	1,249	94	681	897		5,854	1,136	291				.366	.433	.512	2534	1,093.6	.445	165	975.1
15	Dan Brouthers D. Brouthers	.942	7,676	1,673	6,711	1,523	2,296	460	205	106	994	840	105	83	256		3,484	771	20				.342	.423	.519	1874	728.6	.436	155	655.7
16	Joe Jackson J. Jackson	.940	5,690	1,332	4,981	873	1,772	307	168	54	785	519	59	234	202		2,577	529	131				.356	.423	.517	1090	480.3	.443	165	429.2
17	David Ortiz D. Ortiz	.931	10,091	2,408	8,640	1,419	2,472	632	19	541	1,768	1,319	38	1,750	17	9	4,765	1,192	2	92	209	236	.286	.380	.552	1760	559.9	.392	140	484.1
18	Carlos Delgado C. Delgado	.929	8,657	2,035	7,283	1,241	2,038	483	18	473	1,512	1,109	172	1,745	14	8	3,976	974	0	93	186	152	.280	.383	.546	1513	435.7	.391	135	394
19	Earl Averill E. Averill	.928	7,215	1,669	6,353	1,224	2,019	401	128	238	1,164	774	33	518	70		3,390	767	55			7	.318	.395	.534	1348	434.1	.417	131	313
20	Tristram Speaker T. Speaker	.928	11,988	2,789	10,195	1,882	3,514	792	222	117	1,531	1,381	103	394	436		5,101	1,131	309				.345	.428	.500	2264	921	.436	157	812.3
21	Charlie Keller C. Keller	.928	4,604	1,170	3,790	725	1,085	166	72	189	760	784	10	499	45	0	1,962	427	20			50	.286	.410	.518	849	331.2	.428	152	291.5
22	Ken Williams K. Williams	.924	5,616	1,397	4,862	860	1,552	285	77	196	916	566	28	287	154		2,579	558	160				.319	.393	.530	1025	343.9	.420	134	259.4
23	Chuck Klein C. Klein	.922	7,168	1,753	6,486	1,168	2,076	398	74	300	1,201	601	12	521	79		3,522	772	69			15	.320	.379	.543	1310	404.5	.411	133	313.3
24	Joey Votto J. Votto	.920	8,746	2,056	7,252	1,171	2,135	459	22	356	1,144	1,365	81	1,640	80	29	3,706	837	0	48	147	168	.294	.409	.511	1563	539.6	.394	145	472.9
25	Duke Snider D. Snider	.919	8,237	2,143	7,161	1,259	2,116	358	85	407	1,333	971	21	1,237	99	50	3,865	850	52	32	104	166	.295	.380	.540	1439	489.8	.404	139	398.8