Buddy Lewis has hit the most triples by a 19-year-old player in a season, with 13 triples in his rookie season in 1936.

Interpreted as:

most 3b by a player by a 19 year old in a season

	NAME	3B	Age	SEASON	TM	G	AB	R	H	2B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	wRC	WRAA	wOBA	wRC+	BRAA
1	Buddy Lewis B. Lewis	13	19	1936	WSH	143	601	100	175	21	6	67	47	4	46	6	6	657	240	40	5				.291	.347	.399	.746	84	-2	.346	86	-13.6
2	Freddie Lindstrom F. Lindstrom	12	19	1925	NYG	104	356	43	102	15	4	33	22	2	20	5	9	385	153	31	5				.287	.332	.430	.761	48	-2.6	.346	93	-3.6
3	Sherry Magee S. Magee	12	19	1904	PHN	95	364	51	101	15	3	57	14	2	23	11		387	149	30	7				.277	.308	.409	.717	50	10	.339	117	7.1
4	Bryce Harper B. Harper	9	19	2012	WSH	139	533	98	144	26	22	59	56	2	120	18	6	597	254	57	3	3	0	8	.270	.340	.477	.817	86	17.9	.352	121	14.9
5	Jimmy Sheckard J. Sheckard	9	19	1898	BKN	105	408	51	113	17	4	64	37	8	28	8		459	160	30	6				.277	.349	.392	.741	69	8.8	.359	108	5.2
6	George Davis G. Davis	9	19	1890	CLN	136	526	98	139	22	6	73	53	4	34	22		583	197	37					.264	.336	.375	.711	93	3.3	.344	104	3.8
7	Billy Nash B. Nash	8	19	1884	RIC	45	166	31	33	8	1		12	7				185	60	17					.199	.281	.361	.643	29	2.3	.295	105	1.4
8	Lew Brown L. Brown	8	19	1877	BOS	58	221	27	56	12	1	31	6		33			227	87	21					.253		.394		35	2	.300	103	1.2
9	Travis Jackson T. Jackson	7	19	1923	NYG	96	327	45	90	12	4	37	22	0	40	3	3	351	128	23	2				.275	.321	.391	.712	39	-4.4	.331	88	-5.5
10	Sam Crawford S. Crawford	7	19	1899	CIN	31	127	25	39	3	1	20	2	0	10	6		133	59	11	4				.307	.318	.465	.782	20	1.7	.360	103	0.6
11	Oyster Burns O. Burns	7	19	1884	TOT	37	138	34	40	2	6	23	8	3				149	74	15					.290	.342	.536	.879	34	12.7	.389	154	12.2
12	Amos Rusie A. Rusie	6	19	1890	NYN	73	284	31	79	13	0	28	7	1	26	6		292	104	19					.278	.298	.366	.664	39	-5.3	.315	90	-4.6
13	Elmer Smith E. Smith	6	19	1887	CIN	52	186	26	47	10	0	23	11	1	16	5		198	69	16					.253	.298	.371	.669	29	-3.9	.309	83	-5.8
14	Claudell Washington C. Washington	5	19	1974	OAK	73	221	16	63	10	0	19	13	1	44	6	8	237	83	15	1	1	1	6	.285	.326	.376	.702	26	0.4	.320	107	1.8
15	Ted Kazanski T. Kazanski	5	19	1953	PHN	95	360	39	78	17	2	27	26	3	53	1	1	392	111	24	3			7	.217	.275	.308	.583	26	-20.6	.270	53	-24.5
16	Mickey Mantle M. Mantle	5	19	1951	NYY	96	341	61	91	11	13	65	43	0	74	8	7	386	151	29	2			3	.267	.349	.443	.792	53	8.1	.363	116	7.7
17	Cass Michaels C. Michaels	5	19	1945	CWS	129	445	47	109	8	2	54	37	3	28	8	7	499	133	15	14			13	.245	.307	.299	.606	42	-12.3	.295	78	-12.2
18	Sibby Sisti S. Sisti	5	19	1940	BSN	123	459	73	115	19	6	34	36	4	64	4		507	162	30	8			4	.251	.311	.353	.664	50	-10.8	.307	88	-7.4
19	Jimmie Foxx J. Foxx	5	19	1927	PHA	61	130	23	42	6	3	20	14	1	11	2	1	146	67	14	1				.323	.393	.515	.908	26	8	.414	129	5.8
20	Ty Cobb T. Cobb	5	19	1906	DET	98	358	45	113	15	1	34	19	3	40	23		394	141	21	14				.316	.355	.394	.749	54	14.8	.364	130	12.4
21	Scott Stratton S. Stratton	5	19	1889	LOU	62	229	30	66	7	4	34	13	2	36	10		244	95	16					.288	.332	.415	.747	41	3.3	.350	107	2.5
22	Fred Carroll F. Carroll	5	19	1884	COL	69	252	46	70	13	6		13	5				270	111	24					.278	.326	.440	.766	54	14.2	.347	138	15.5
23	Cesar Cedeno C. Cedeno	4	19	1970	HOU	90	355	46	110	21	7	42	15	2	57	17	4	377	160	32	3	2	2	8	.310	.340	.451	.790	52	9	.350	111	5.2
24	Ed Kranepool E. Kranepool	4	19	1964	NYM	119	420	47	108	19	10	45	32	2	50	0	1	461	165	33	3	4	2	9	.257	.310	.393	.703	51	1.6	.311	99	-0.7
25	Rusty Staub R. Staub	4	19	1963	HOU	150	513	43	115	17	6	45	59	5	58	0	0	585	158	27	6	2	8	10	.224	.309	.308	.617	50	-10.7	.279	84	-10.2