The 1913 New York Giants were led by the manager nicknamed what?
1913 New York Giants season:  Led by manager John McGraw, the Giants dominated the NL and finished 12½ games in front of the second place Philadelphia Phillies. John McGraw: John Joseph McGraw (April 7, 1873 – February 25, 1934), nicknamed "Little Napoleon" and "Mugsy", was a Major League Baseball (MLB) player and manager of the New York Giants.
"Little Napoleon" and "Mugsy"