Frank Thomas had the highest wRC+ by a player in his 2nd season, with 179 wRC+.

Interpreted as:

highest wrc+ with a minimum of 3.1 PA per team game by a second year player

	NAME	WRC+	SEASON	TM	G	AB	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	BRAA
1	Frank Thomas F. Thomas	179	1991	CWS	158	559	104	178	31	2	32	109	138	1	112	1	2	700	309	65	0	2	13	20	.318	.453	.553	1.006	146	66.8	.442	65.4
2	Aaron Judge A. Judge	174	2017	NYY	155	542	128	154	24	3	52	114	127	5	208	9	4	678	340	79	0	4	11	15	.284	.422	.627	1.049	145	62.5	.430	61.5
3	Johnny Mize J. Mize	174	1937	SLN	145	560	103	204	40	7	25	113	56	5	57	2		621	333	72	0			5	.364	.427	.595	1.021	135	57.1	.456	56.5
4	Deacon White D. White	170	1877	BOS	59	266	51	103	14	11	2	49	8		3			274	145	27					.387		.545		70	30.1	.429	29.1
5	Ralph Kiner R. Kiner	169	1947	PIT	152	565	118	177	23	4	51	127	98	2	81	1		666	361	78	1			12	.313	.417	.639	1.055	145	69.5	.472	58.2
6	Eddie Mathews E. Mathews	168	1953	MIL	157	579	110	175	31	8	47	135	99	2	83	1	3	681	363	86	1			6	.302	.406	.627	1.033	144	62.6	.451	60.8
7	Mike Trout M. Trout	167	2012	LAA	139	559	129	182	27	8	30	83	67	6	139	49	5	639	315	65	0	7	4	7	.326	.399	.564	.963	121	48.2	.409	50
8	Benny Kauff B. Kauff	167	1914	IND	154	571	120	211	44	13	8	95	72	8	55	75		667	305	65	16				.370	.447	.534	.981	136	66	.465	52.6
9	Pete Reiser P. Reiser	166	1941	BKN	137	536	117	184	39	17	14	76	46	11	71	4		601	299	70	8			6	.343	.406	.558	.964	118	48.1	.438	46.2
10	Rico Carty R. Carty	166	1964	MIL	133	455	72	150	28	4	22	88	43	3	78	1	2	505	252	54	0	4	4	16	.330	.388	.554	.942	93	39.3	.410	37.3
11	Joe DiMaggio J. DiMaggio	165	1937	NYY	151	621	151	215	35	15	46	167	64	5	37	3	0	692	418	96	2				.346	.412	.673	1.085	160	73.6	.474	64.8
12	George Gore G. Gore	164	1880	CWS	77	322	70	116	23	2	2	47	21		10			343	149	27					.360		.463		75	31.1	.391	28.8
13	Dave Orr D. Orr	163	1884	NYM	110	458	82	162	32	13	9	112	5	1				464	247	54					.354	.362	.539	.901	112	44.3	.402	43.9
14	Ed Swartwood E. Swartwood	163	1882	PIT	77	329	87	109	18	11	4		21					350	161	33					.331		.489		79	29.6	.386	30.4
15	James Wood J. Wood	163	2025	WSH	58	222	38	64	15	0	16	44	34	1	70	9	3	258	127	31	0	1	2	4	.288	.384	.572	.956	49	19.3	.408	19
16	Jim Whitney J. Whitney	162	1882	BOS	61	251	49	81	18	7	5	48	24		13			275	128	30					.323		.510		65	26	.399	25.3
17	Dick Allen D. Allen	162	1964	PHI	162	632	125	201	38	13	29	91	67	0	138	3	4	708	352	80	6	3	13	8	.318	.382	.557	.939	128	52.3	.405	49.5
18	Fred Lynn F. Lynn	161	1975	BOS	145	528	103	175	47	7	21	105	62	3	90	10	5	605	299	75	6	6	10	11	.331	.401	.566	.967	114	48.1	.427	41.5
19	Cupid Childs C. Childs	161	1890	SYR	126	493	109	170	33	14	2	89	72	6		56		571	237	49					.345	.434	.481	.915	135	47.8	.438	52.9
20	King Kelly K. Kelly	161	1879	CIN	77	345	78	120	20	12	2	47	8		14			353	170	34					.348		.493		78	29.7	.381	30.7
21	Paul Waner P. Waner	159	1927	PIT	155	623	114	237	42	18	9	131	60	3	14	5		709	342	69	23				.380	.437	.549	.986	146	59.3	.450	53.3
22	Mickey Mantle M. Mantle	159	1952	NYY	142	549	94	171	37	7	23	87	75	0	111	4	1	626	291	67	2			5	.311	.394	.530	.924	112	44.1	.421	43.1
23	Ted Williams T. Williams	159	1940	BSA	144	561	134	193	43	14	23	113	96	3	54	4	4	661	333	80	1			13	.344	.442	.594	1.036	146	66.4	.461	53.1
24	George Shafer G. Shafer	158	1878	IND	63	266	48	90	19	6	0	30	13		20			279	121	25					.338		.455		59	20.9	.380	22.7
25	Mike Yastrzemski M. Yastrzemski	158	2020	SFG	54	192	39	57	14	4	10	35	30	3	55	2	1	225	109	28	0	0	2	2	.297	.400	.568	.968	45	16.5	.407	16.6