High Quality Content by WIKIPEDIA articles! Thomas Guy Greenfield (November 10, 1917 - October 9, 2004) was a professional American football center/linebacker in the National Football League. Greenfield, who was born in Glendale, Arizona, played for the Green Bay Packers from 1939–1941. He was named to the Pro Bowl after the Packers won the championship in 1939. He played college football at Arizona.