most at-bats by player 27 or younger in 1963

Curt Flood had the most at-bats by a player 27 or younger in 1963, with 662 at-bats.

Interpreted as:

most at-bats by player 27 years old or younger in 1963

	NAME	AB	AGE	SEASON	TM	G	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Curt Flood C. Flood	662	25	1963	STL	158	112	200	34	9	5	63	42	2	57	17	12	714	267	48	6	2	3	5	.302	.345	.403	.748	90	15.4	.332	108	6.4
2	Vada Pinson V. Pinson	652	24	1963	CIN	162	96	204	37	14	22	106	36	1	80	27	8	695	335	73	0	6	3	16	.313	.347	.514	.861	110	37.4	.376	144	33
3	Tony Taylor T. Taylor	640	27	1963	PHI	157	102	180	20	10	5	49	42	7	99	23	9	700	235	35	7	4	1	11	.281	.330	.367	.698	78	4.9	.313	105	4.1
4	Bobby Richardson B. Richardson	630	27	1963	NYY	151	72	167	20	6	3	48	25	2	22	15	1	668	208	29	8	3	0	8	.265	.294	.330	.624	58	-11.8	.280	78	-17.2
5	Ron Santo R. Santo	630	23	1963	CHC	162	79	187	29	6	25	99	42	4	92	6	4	687	303	60	0	11	7	17	.297	.339	.481	.820	99	27.4	.357	129	21.6
6	Johnny Callison J. Callison	626	24	1963	PHI	157	96	178	36	11	26	78	50	2	111	8	3	692	314	73	13	1	4	8	.284	.339	.502	.840	106	33.5	.369	144	32.8
7	Pete Rose P. Rose	623	22	1963	CIN	157	101	170	25	9	6	41	55	5	72	13	15	695	231	40	6	6	0	8	.273	.334	.371	.705	80	6.9	.317	103	2.5
8	Zoilo Versalles Z. Versalles	621	23	1963	MIN	159	74	162	31	13	10	54	33	5	66	7	4	666	249	54	7	0	2	11	.261	.303	.401	.704	74	4.4	.312	94	-4.5
9	Billy Williams B. Williams	612	25	1963	CHC	161	87	175	36	9	25	95	68	2	78	7	6	687	304	70	2	3	9	12	.286	.358	.497	.854	107	35.6	.373	140	29.9
10	Julian Javier J. Javier	609	26	1963	STL	161	82	160	27	9	9	46	24	6	86	18	10	654	232	45	13	2	1	8	.263	.296	.381	.677	67	-1.2	.301	87	-9.4
11	Max Alvis M. Alvis	602	25	1963	CLE	158	81	165	32	7	22	67	36	10	109	9	7	660	277	61	8	4	2	6	.274	.324	.460	.784	90	20.8	.346	119	14.1
12	Pete Ward P. Ward	600	23	1963	CWS	157	80	177	34	6	22	84	52	5	77	7	6	667	289	62	4	6	1	6	.295	.353	.482	.835	102	32.1	.368	136	27.4
13	Jim Fregosi J. Fregosi	592	21	1963	LAA	154	83	170	29	12	9	50	36	0	104	2	2	642	250	50	9	5	3	10	.287	.325	.422	.748	79	12.2	.329	111	8.4
14	Brooks Robinson B. Robinson	589	26	1963	BAL	161	67	148	26	4	11	67	46	1	84	2	3	648	215	41	8	4	4	8	.251	.305	.365	.670	65	-2.5	.298	91	-7
15	Joe Pepitone J. Pepitone	580	22	1963	NYY	157	79	157	16	3	27	89	23	7	63	3	5	615	260	46	0	5	2	10	.271	.304	.448	.752	77	13	.332	111	8.1
16	Orlando Cepeda O. Cepeda	579	25	1963	SFG	156	100	183	33	4	34	97	37	10	70	8	3	629	326	71	0	3	11	18	.316	.366	.563	.929	112	46.6	.403	164	44
17	Chuck Schilling C. Schilling	576	25	1963	BOS	146	63	135	25	0	8	33	41	5	72	3	2	629	184	33	6	1	0	11	.234	.291	.319	.610	54	-12.1	.278	69	-22.4
18	Bob Bailey B. Bailey	570	20	1963	PIT	154	60	130	15	3	12	45	58	5	98	10	9	640	187	30	4	3	2	9	.228	.303	.328	.632	59	-7.7	.288	86	-9.7
19	Carl Yastrzemski C. Yastrzemski	570	23	1963	BOS	151	91	183	40	3	14	68	95	1	72	8	5	668	271	57	1	1	6	12	.321	.418	.475	.894	116	46.4	.397	146	35.4
20	Dick McAuliffe D. McAuliffe	568	23	1963	DET	150	77	149	18	6	13	61	64	0	75	11	5	644	218	37	7	5	1	12	.262	.334	.384	.718	77	9.2	.323	102	1.3
21	Ken Hubbs K. Hubbs	566	21	1963	CHC	154	54	133	19	3	8	47	39	2	93	8	9	614	182	30	3	4	2	17	.235	.285	.322	.606	50	-14	.273	71	-19.2
22	Leo Cardenas L. Cardenas	565	24	1963	CIN	158	42	133	22	4	7	48	23	4	101	3	5	601	184	33	8	1	6	13	.235	.270	.326	.595	45	-18	.263	67	-21.8
23	Willie McCovey W. McCovey	564	25	1963	SFG	152	103	158	19	5	44	102	50	11	119	1	1	627	319	68	1	1	5	10	.280	.350	.566	.915	111	45.1	.400	162	42.4
24	Donn Clendenon D. Clendenon	563	27	1963	PIT	154	65	155	28	7	15	57	39	5	136	22	13	614	242	50	3	4	3	14	.275	.326	.430	.756	78	13.9	.334	118	12
25	Lou Clinton L. Clinton	560	25	1963	BOS	148	71	130	23	7	22	77	49	1	118	0	0	612	233	52	0	2	6	17	.232	.294	.416	.710	68	4.2	.313	92	-5.8