A.J. Epenesa (born September 15, 1998) is an American football defensive end for the Buffalo Bills of the National Football League (NFL). He played college football at Iowa Hawkeyes, and was drafted by the Bills in the second round of the 2020 NFL Draft.After his freshman season, A.J. Epenesa was named to the All-Freshmen Big Ten Conference team. Notably, his first college sack came against future Buffalo Bills teammate Josh Allen during a game against Wyoming.