- Category : 1917-births
- Type : PSE
- Profile : 5/2 - Heretical / Hermit
- Definition : Split - Small (23)
- Incarnation Cross : LAX Defiance 2
American football center/linebacker in the National Football League. Greenfield played for the Green Bay Packers from 1939 to 1941. He was named to the Pro Bowl after the Packers won the championship in 1939. He died on 9 October 2004, aged 86.