Prentiss Porter Douglass (June 23, 1887 – November 9, 1949) was an American football player and coach.He was a native of Martinsville, Illinois who graduated from the Culver Military Academy and the University of Michigan. He played football for Fielding H. Yost's 1907 and 1908 Michigan Wolverines football teams at the halfback position. After graduating from Michigan in 1909, he served as an assistant football coach at Michigan during the 1909 and 1910 football seasons. In 1911, he was the head football coach at the University of Kentucky. His 1911 Kentucky team finished the season with 7 wins and 3 losses. Kentucky was unscored upon in its first four games, surrendering six points to the University of Cincinnati in the fifth game. The season's highlights included the final two games, vic