Mack Pendleton Allison (January 23, 1887 โ March 13, 1964) was an American professional baseball player whose career spanned 16 seasons, including three in Major League Baseball with the St. Louis Browns (1911โ1913). Allison was a pitcher during his career. In his major league career, Allison compiled a record of 9โ21 with a 3.17 earned run...
