Rogers Hornsby has the highest career batting average by a second baseman, with an average of .377.

Interpreted as:

highest career batting average with a minimum of 3000 PA by a second baseman

	NAME	AVG	PA	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Rogers Hornsby R. Hornsby	.377	7,098	1,649	6,060	1,292	2,283	457	117	272	1,295	842	27	478	76		3,790	846	169				.455	.625	1.080	1668	787.3	.484	182	756.9
2	Nap Lajoie N. Lajoie	.336	9,352	2,224	8,554	1,325	2,874	585	132	67	1,370	474	118	296	340		3,924	784	206				.379	.459	.838	1564	532.9	.399	145	486.2
3	Eddie Collins E. Collins	.334	11,984	2,794	9,902	1,818	3,303	438	186	47	1,298	1,497	77	461	740		4,254	671	508				.425	.430	.855	2028	694.9	.410	144	621.4
4	Rod Carew R. Carew	.328	4,948	1,172	4,450	640	1,458	212	52	46	473	399	15	547	172	81	1,912	310	57	27	51	108	.383	.430	.812	723	206.9	.367	131	171.4
5	Jackie Robinson J. Robinson	.323	3,241	749	2,743	539	885	165	34	80	453	408	43	155	120	15	1,358	279	47			66	.418	.495	.913	588	207.1	.421	145	181
6	Charlie Gehringer C. Gehringer	.320	10,237	2,323	8,860	1,775	2,839	574	146	184	1,427	1,186	50	372	181		4,257	904	141			27	.404	.480	.884	1797	516.6	.405	124	350
7	Frankie Frisch F. Frisch	.315	8,398	1,928	7,552	1,265	2,380	399	105	82	1,019	634	27	212	315		3,235	586	185				.370	.428	.799	1222	174.5	.369	111	127.4
8	Cupid Childs C. Childs	.306	6,766	1,457	5,622	1,214	1,721	205	101	20	743	991	63	228	269		2,188	326	90				.416	.389	.805	1303	293.6	.396	123	243.3
9	Jose Altuve J. Altuve	.306	8,042	1,821	7,293	1,156	2,232	431	31	229	812	600	76	1,030	315	90	3,412	691	26	47	45	195	.363	.468	.831	1217	279.7	.357	130	284.1
10	Placido Polanco P. Polanco	.306	4,690	1,129	4,285	654	1,311	218	22	77	481	258	65	298	52	24	1,804	317	48	34	9	112	.352	.421	.773	614	35.6	.340	103	14.8
11	Billy Herman B. Herman	.304	8,641	1,922	7,707	1,163	2,345	486	82	47	839	737	26	428	67		3,136	615	171			98	.367	.407	.774	1195	163.5	.361	115	154.4
12	Buddy Myer B. Myer	.304	6,460	1,492	5,540	963	1,683	286	107	34	690	811	25	362	105		2,285	427	84			12	.395	.412	.808	996	180.5	.377	113	117.9
13	Jose Vidro J. Vidro	.303	4,568	1,119	4,088	595	1,238	292	11	113	533	386	34	443	20	15	1,891	416	29	31	28	118	.365	.463	.828	676	105.7	.359	113	76.3
14	Daniel Murphy D. Murphy	.301	4,015	967	3,717	511	1,120	258	19	102	512	245	19	475	58	15	1,722	379	0	34	46	80	.345	.463	.808	556	98.3	.345	118	89.6
15	Robinson Cano R. Cano	.301	9,550	2,267	8,773	1,262	2,639	572	33	335	1,306	620	85	1,214	51	38	4,282	940	10	62	112	286	.351	.488	.839	1411	291.8	.358	124	273.3
16	DJ LeMahieu	.300	5,366	1,305	4,854	736	1,458	230	36	96	536	417	23	785	87	43	2,048	362	35	37	22	146	.356	.422	.778	726	95.8	.337	101	9.4
17	Roberto Alomar R. Alomar	.300	10,400	2,379	9,073	1,508	2,724	504	80	210	1,134	1,032	50	1,140	474	114	4,018	794	148	97	62	206	.371	.443	.814	1526	275.7	.359	118	230.8
18	Dustin Pedroia D. Pedroia	.299	6,777	1,512	6,031	922	1,805	394	15	140	725	624	38	654	138	46	2,649	549	25	59	25	154	.365	.439	.805	962	175.7	.352	115	120
19	Billy Goodman B. Goodman	.299	3,049	729	2,675	396	800	142	23	9	233	307	11	126	17	17	1,015	174	49	7	4	41	.373	.379	.752	396	45.1	.348	100	1.3
20	Mark Loretta M. Loretta	.298	3,904	976	3,465	454	1,034	173	14	49	372	324	43	355	30	20	1,382	236	25	47	13	91	.361	.399	.760	503	21.4	.336	103	14
21	Chuck Knoblauch C. Knoblauch	.297	6,449	1,415	5,545	1,025	1,646	293	61	83	549	718	121	625	350	105	2,310	437	13	52	20	101	.386	.417	.803	954	163.5	.361	114	122.4
22	Hardy Richardson H. Richardson	.296	3,454	757	3,248	660	963	187	70	37	283	197	9	29	105		1,401	294					.338	.431	.770	648	140.1	.354	119	102.9
23	George Grantham G. Grantham	.296	3,814	899	3,224	580	953	188	58	68	452	468	13	359	96		1,461	314	109				.387	.453	.840	614	129.3	.386	119	101.3
24	Carlos Baerga C. Baerga	.294	4,210	1,014	3,902	533	1,148	201	13	106	570	189	48	380	49	19	1,693	320	18	53	32	119	.330	.434	.764	523	11.1	.334	100	-5
25	Howie Kendrick H. Kendrick	.294	4,791	1,166	4,466	590	1,311	264	31	87	537	234	45	828	96	39	1,898	382	24	22	27	145	.334	.425	.759	594	46.8	.331	109	48.9