In baseball, the Triple Crown refers to:

1. A batter who (at season's end) leads the league in three major categories -- home runs, runs batted in, and batting average.
2. A pitcher who (at season's end) leads the league in three major categories -- earned run average, victories, and strike outs.

Major League Baseball batting winners:

Batter	Team	Year	HR	RBI	AVG
Paul Hines	PRO-N	1878	4	50	.358
Hugh Duffy	BOS-N	1894	18	145	.438
Nap Lajoie	PHI-A	1901	14	125	.422
Ty Cobb	DET	1909	9	115	.377
Heinie Zimmerman	CHI-N	1912	14	103	.372
Rogers Hornsby	STL-N	1922	42	152	.401
Rogers Hornsby	STL-N	1925	39	143	.403
Chuck Klein	PHI-N	1933	28	120	.368
Jimmie Foxx	PHI-A	1933	48	163	.356
Lou Gehrig	NY-A	1934	49	165	.363
Joe Medwick	STL-N	1937	31	154	.374
Ted Williams	BOS	1942	36	137	.356
Ted Williams	BOS	1947	32	114	.343
Mickey Mantle	NY-A	1956	52	130	.353
Frank Robinson	BAL	1966	49	122	.316
Carl Yastrzemski	BOS	1967	44	121	.326

Major League Baseball pitching winners:

Pitcher	Team	Year	ERA	Wins	SOs
Tommy Bond	Bos-N	1877	2.11	40	170
Charles Radbourn	Prov	1884	1.38	60	441
Tim Keefe	NY-N	1888	1.74	35	333
John Clarkson	Bos-N	1889	2.73	49	284
Amos Rusie	NY-N	1894	2.78	36	195
Cy Young	Bos-A	1901	1.62	33	158
Rube Waddell	Phi-A	1905	1.48	26	287
Christy Mathewson	NY-N	1905	1.27	31	206
Christy Mathewson	NY-N	1908	1.43	37	259
Walter Johnson	Wash	1913	1.09	36	243
Grover Alexander	Phi-A	1915	1.22	31	241
Grover Alexander	Phi-A	1916	1.55	33	167
Grover Alexander	Phi-A	1917	1.86	30	201
Walter Johnson	Wash	1918	1.27	23	162
Hippo Vaughn	Chi-N	1918	1.74	22	148
Grover Alexander	Chi-N	1920	1.91	27	173
Walter Johnson	Wash	1924	2.72	23	158
Dazzy Vance	Bklyn	1924	2.16	28	262
Lefty Grove	Phi-A	1930	2.54	28	209
Lefty Grove	Phi-A	1931	2.06	31	175
Lefty Gomez	NY-A	1934	2.33	26	158
Lefty Gomez	NY-A	1937	2.33	21	194
Bucky Walters	Cin	1939	2.29	27	137
Hal Newhouser	Det	1945	1.81	25	212
Sandy Koufax	LA-N	1963	1.88	25	306
Sandy Koufax	LA-N	1965	2.04	26	382
Sandy Koufax	LA-N	1966	1.73	27	317
Steve Carlton	Phi	1972	1.97	27	310
Dwight Gooden	NY-N	1985	1.53	24	268
Roger Clemens	Tor	1997	2.05	21	292
Roger Clemens	Tor	1998	2.65	20	271
Pedro Martinez	Bos	1999	2.07	23	313
Randy Johnson	Ari	2002	2.32	24	334