William Peter Popp (June 7, 1877 – September 5, 1909) was a Major League Baseball pitcher who played for the St. Louis Cardinals in 1902. He later was a manager in the minor leagues in 1904.
William Peter Popp (June 7, 1877 – September 5, 1909) was a Major League Baseball pitcher who played for the St. Louis Cardinals in 1902. He later was a manager in the minor leagues in 1904. (en)