Alvin Edward Neiger (born March 26, 1939) is an American former professional baseball player. He was a left-handed pitcher who played for five seasons as a professional — including six games as a relief pitcher for the 1960 Philadelphia Phillies of Major League Baseball — after a stellar career at the University of Delaware. Neiger stood 6 feet (1.83 m) tall and weighed 195 pounds (88 kg) as an active player. In minor league baseball, Neiger was more successful, winning 43 of 75 decisions in 126 games.