Career
Pennington played for the Chicago American Giants (1940–1946, 1950), the Pittsburgh Crawfords (1946), as well as the Mexican Baseball League (1946–1950), the United States. minor league system (1951–1959), and in Cuban and Venezuelan leagues. He played in the 1942 and 1950 East-West All-Star Game. Pennington retired from Rockwell Collins in 1985.
His house was badly damaged in a 2008 flood that destroyed most of his personal baseball memorabilia.
He is included in the Topps baseball card nostalgia set Allen & Ginter. He supplements his retirement income from autographs of cards and other memorabilia.