William Earl Potteiger (February 11, 1893 – April 7, 1959) was an

American football American football, referred to simply as football in the United States and Canada and also known as gridiron football, is a team sport played by two teams of eleven players on a rectangular American football field, field with goalposts at e ...

baseball Baseball is a bat-and-ball games, bat-and-ball sport played between two team sport, teams of nine players each, taking turns batting (baseball), batting and Fielding (baseball), fielding. The game occurs over the course of several Pitch ...

, and

basketball Basketball is a team sport in which two teams, most commonly of five players each, opposing one another on a rectangular Basketball court, court, compete with the primary objective of #Shooting, shooting a basketball (ball), basketball (appro ...

player and coach. He played professionally in both baseball and football and coached professionally in basketball, baseball and football. Potteiger was

player-coach A player–coach (also playing coach, captain–coach, or player–manager) is a member of a sports team who simultaneously holds both playing and coaching duties. Player–coaches may be head coaches or assistant coaches, and they may make chang ...

for the

New York Giants The New York Giants are a professional American football team based in the New York metropolitan area. The Giants compete in the National Football League (NFL) as a member of the National Football Conference (NFC) NFC East, East division. The ...

when they won their first

National Football League The National Football League (NFL) is a Professional gridiron football, professional American football league in the United States. Composed of 32 teams, it is divided equally between the American Football Conference (AFC) and the National ...

(NFL) championship in 1927. He also played

minor league baseball Minor League Baseball (MiLB) is a professional baseball organization below Major League Baseball (MLB), constituted of teams affiliated with MLB clubs. It was founded on September 5, 1901, in response to the growing dominance of the National Le ...

from 1913 to 1917, in 1919, and from 1926 to 1927. He managed in the minors from 1926 to 1927 and in 1932.Baseball Reference
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* 1891 births 1959 deaths American football halfbacks Albright Lions baseball players Albright Lions football players Albright Lions men's basketball players Buffalo All-Americans players Charleston Sea Gulls players Chicago Cardinals players Conshohocken Athletic Club players Lowell Grays players Milwaukee Badgers players New York Giants head coaches New York Giants players Kenosha Maroons players Union Club of Phoenixville players Ursinus Bears football players Sportspeople from Berks County, Pennsylvania Players of American football from Pennsylvania Wilkes-Barre Barons (baseball) players Worcester Boosters players Worcester Busters players York White Roses players American men's basketball players {{runningback-1890s-stub