He was selected to the 1990 College Football All-America Team. Greenfield came to Pitt in 1989 from Glendale Community College (Calif.), and was the Panthers' regular punter for the 1989 and 1990 seasons. In 1990, he finished as the second-ranked punter in the nation with a school-record 45.6-yard average. He set a Pitt record for longest punt—a 79-yard boomer against Boston College in 1990—and his 43.5-yard career punting average also established a Pitt record.
Brian was selected as the 2nd pick in the 10th Round of the 1991 NFL Draft, as overall pick #252. During his one Season with the Browns he recorded no game statistics.
- Baranowski, John (2 August 2011). "Announcing The Pittsburgh Panthers All-Time Football Team". Bleacher Report. Retrieved 6 December 2012.
- University of Pittsburgh Football First Team All-Americans
- ESPN Draft Tracker
- NFL.com Player Statistics