Batting Average righty batter against lefty pitcher.

Career:
From 1950 to 2013, vs LHP as RHB (within Platoon Splits), (requiring batting_avg≥.310 and AB≥2500), sorted by greatest Batting Average for this split

Rk	I	Player	Split	From	To	G	BA	GS	PA	AB	R	H	2B	3B	HR	RBI	SB	CS	BB	SO	BA	OBP	SLG	OPS	TB	GDP	HBP	SH	SF	IBB	ROE	BAbip
1	I	Roberto Clemente	vs LHP as RHB	1955	1972	1089	.340		3001	2734		930	162	50	80	391	15	12	231	276	.340	.390	.524	.914	1432	92	6	9	21	78	60	.354
2		Derek Jeter	vs LHP as RHB	1995	2012	1188	.338		3014	2675		904	155	16	85	327	76	24	288	385	.338	.408	.503	.911	1346	73	35	6	10	20	39	.370
3	I	Mickey Mantle	vs LHP as RHB	1951	1968	1196	.330		3225	2747		906	134	28	161	486	28	10	458	441	.330	.424	.575	.999	1579	66	2	3	15	51	49	.345
4		Paul Molitor	vs LHP as RHB	1978	1998	1237	.322		3358	2951		951	182	28	75	333	164	53	342	291	.322	.391	.479	.870	1414	35	12	17	34	42	42	.334
5	I	Hank Aaron	vs LHP as RHB	1954	1976	1366	.318		3546	3044		967	174	23	216	582	25	10	457	282	.318	.405	.603	1.007	1835	72	10	2	33	101	41	.291
6		Julio Franco	vs LHP as RHB	1982	2007	1189	.316		2854	2507		792	144	19	68	364	77	45	314	385	.316	.389	.470	.859	1178	94	4	4	25	30	16	.348
7		Lou Piniella	vs LHP as RHB	1968	1984	1188	.313		3225	2962		928	172	22	63	382	14	19	217	250	.313	.359	.450	.809	1333	106	9	12	25	61	47	.323
8		Tommy Davis	vs LHP as RHB	1959	1976	1010	.311		2723	2528		787	110	13	55	378	45	22	152	241	.311	.349	.430	.779	1088	75	7	11	25	40	42	.324
9		Al Kaline	vs LHP as RHB	1953	1974	1345	.310		3491	3001		930	161	25	129	438	19	13	444	280	.310	.398	.509	.908	1528	87	15	5	26	67	52	.306

Provided by Baseball-Reference.com: View Play Index Tool Used
Generated 5/19/2013.

Franco, Piniella and Davis are the only ones not in the Hall of Fame with Jeter on the way.  Willie Mays: .305; .300 v. righties.