Prince Semien Fielder (born May 9, 1984) is an American professional baseball first baseman for the Detroit Tigers of Major League Baseball. He is currently listed at 5 ft 11 in (1.80 m) (180 cm) and 285 lb (129 kg). He was selected by the Milwaukee Brewers in the first round of the 2002 Major League Baseball Draft out of Eau Gallie High School in Melbourne, Florida, and he played for the Brewers from 2005 through 2011.
He is the son of former first baseman Cecil Fielder. Prince and Cecil Fielder are the only father-son combination in MLB history to each hit 50 home runs in a season. Fielder holds the Brewers' team record for home runs in a season, and is the youngest player to hit 50 home runs in a season. Prince Fielder was the first Brewer to win the Home Run Derby, defeating Nelson Cruz 6–5 in the final round of the 2009 derby in St. Louis.