most plate appearances in a career including playoffs before the age of 27

Mel Ott has the most career plate appearances by a player younger than 27 in the regular-season and playoffs, with 5,354 plate appearances.

Interpreted as:

most plate appearances by a player in a career including playoffs before the age of 27

	NAME	PA	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Mel Ott M. Ott	5,354	1,293	4,560	915	1,447	257	47	244	967	711	24	363	45		2,530	548	59				.317	.412	.555	.967
2	Robin Yount R. Yount	5,203	1,229	4,799	664	1,344	252	54	90	534	281	9	521	115	51	1,974	396	70	44	15	83	.280	.318	.411	.730
3	Al Kaline A. Kaline	5,070	1,204	4,505	714	1,390	226	45	159	694	474	23	378	84	39	2,183	430	28	40	46	123	.309	.374	.485	.859
4	Juan Soto J. Soto	4,992	1,139	4,017	806	1,131	207	16	255	727	923	21	873	97	28	2,135	478	4	27	84	102	.282	.416	.531	.947
5	Andruw Jones A. Jones	4,932	1,218	4,372	721	1,165	222	25	231	707	470	45	923	122	48	2,130	478	7	38	33	97	.266	.341	.487	.828
6	Mickey Mantle M. Mantle	4,927	1,140	4,072	912	1,273	187	52	260	786	821	7	803	77	27	2,344	499	11	16	50	39	.313	.427	.576	1.003
7	Alex Rodriguez A. Rodriguez	4,760	1,069	4,201	844	1,303	250	16	276	821	446	53	839	158	43	2,413	542	17	43	20	90	.310	.380	.574	.954
8	Vada Pinson V. Pinson	4,757	1,078	4,389	732	1,317	239	70	143	600	305	24	583	157	57	2,125	452	13	26	20	78	.300	.347	.484	.831
9	Bryce Harper B. Harper	4,728	1,103	3,955	720	1,087	223	20	224	645	695	30	1,035	94	34	2,022	467	9	39	82	76	.275	.384	.511	.895
10	Cesar Cedeno C. Cedeno	4,724	1,111	4,265	689	1,245	257	41	135	594	365	40	556	374	112	1,989	433	14	40	50	94	.292	.350	.466	.817
11	Johnny Bench J. Bench	4,688	1,119	4,153	625	1,119	201	18	217	753	463	11	657	33	26	2,007	436	5	56	89	112	.269	.340	.483	.823
12	Rusty Staub R. Staub	4,678	1,151	4,024	484	1,114	205	24	116	543	545	33	465	23	21	1,715	345	42	34	97	93	.277	.365	.426	.791
13	Jimmie Foxx J. Foxx	4,665	1,127	3,926	868	1,329	227	73	270	972	677	7	555	42		2,512	570	55				.339	.437	.640	1.076
14	Freddie Lindstrom F. Lindstrom	4,651	1,095	4,271	705	1,357	214	63	91	607	266	10	220	80		1,970	368	104				.318	.359	.461	.820
15	Elvis Andrus E. Andrus	4,638	1,070	4,123	575	1,116	169	29	26	357	358	31	625	212	75	1,421	224	98	28	2	97	.271	.331	.345	.676
16	Roberto Alomar R. Alomar	4,620	1,050	4,061	644	1,218	212	42	66	451	436	22	490	284	75	1,712	320	73	28	25	85	.300	.369	.422	.790
17	Ken Griffey Jr. K. Griffey Jr.	4,610	1,068	4,029	706	1,220	229	21	244	734	510	26	642	111	45	2,223	494	6	39	120	75	.303	.381	.552	.933
18	Eddie Yost E. Yost	4,604	1,017	3,762	610	978	193	37	55	327	742	38	406	35	12	1,410	285	62			75	.260	.387	.375	.762
19	Hank Aaron H. Aaron	4,590	1,053	4,169	723	1,329	227	58	222	752	346	15	389	36	16	2,338	507	18	42	72	117	.319	.370	.561	.930
20	Miguel Cabrera M. Cabrera	4,565	1,068	4,031	648	1,253	257	12	215	776	458	34	848	24	15	2,179	484	6	36	90	129	.311	.383	.541	.923
21	Mike Trout M. Trout	4,561	1,037	3,783	775	1,156	221	43	232	630	673	62	973	186	35	2,159	496	0	43	81	52	.306	.415	.571	.985
22	Manny Machado M. Machado	4,537	1,034	4,132	584	1,157	228	12	199	585	337	19	768	56	25	2,006	439	16	33	38	124	.280	.335	.485	.820
23	Eddie Mathews E. Mathews	4,518	1,043	3,799	710	1,048	170	34	254	670	659	9	625	35	16	2,048	458	24	27	49	51	.276	.382	.539	.921
24	Ruben Sierra R. Sierra	4,512	1,060	4,144	588	1,160	230	44	156	673	298	7	597	88	33	1,946	430	1	62	51	91	.280	.325	.470	.794
25	Adrian Beltre A. Beltre	4,501	1,130	4,097	528	1,110	212	19	166	598	324	32	704	67	27	1,858	397	13	35	38	91	.271	.327	.454	.780