In the days before performance-enhancing substances, the great Hank Aaron hit a career-record 755 home runs, a mark he held for 33 years. Born in Mobile, Alabama, Hammerin' Hank began his baseball career in the Negro Leagues when black players were still banned from Major League Baseball. The last Negro League player to make the move into the big leagues, Hank played for 23 years in Milwaukee and Atlanta and made the All-Star team in both the National...