Lou Gehrig, left, is pictured on "Lou Gehrig Appreciation Day" at Yankee Stadium on July 4, 1939.

Lou Gehrig is pictured sobbing while giving his famed speech at Yankee Stadium on July 4, 1939.

Babe Ruth, right, hugs Lou Gehrig, left, at Yankee Stadium on July 4, 1939.

Lou Gehrig is pictured when he was a student at Columbia University in 1923.

Lou Gehrig whacks a double into left center in a game versus the White Sox at Yankee Stadium in 1938.

Lou Gehrig graces the cover of Baseball Magazine's Sept. 1929 issue.

Lou Gehrig, left, with Manager Joe McCarthy, right, are pictured during Lou Gehrig Day at Yankee Stadium on Aug. 3, 1937.

Lou Gehrig, left, and fan 5-year-old Charlie Rhode, right, are pictured before the start of the All-Star game between the stars of the American and National Leagues in Cleveland, Ohio on July 8, 1935.

Lou Gehrig, right, films the movie "Rawhide" on April 21, 1938 in Hollywood, Calif.

Lou Gehrig, left, and his wife Eleanor, right, are pictured in Hawaii on Jan. 6, 1934. The couple were en route to Japan, where Gehrig was touring with the American League All-Star Baseball Team.

Lou Gehrig, left, and Joe DiMaggio, right, are photographed during Spring Training drills.

Babe Ruth, right, is pictured blowing into a saxophone as Lou Gehrig, left, jokes around in 1928.

Lou Gehrig takes part in batting practice at the Polo Grounds before the beginning of the 1937 World Series with the New York Giants on Oct. 5, 1937.

Lou Gehrig and a young fan pose on the dugout steps during the 1937 season at Yankee Stadium.

Lou Gehrig poses for a portrait before a game at Yankee Stadium in 1937.