Parrella was the assistant defensive line coach for the Cleveland Browns of the National Football League (NFL) in 2019.
He played college football at Nebraska and was selected by the Buffalo Bills in the second round of the 1993 NFL draft.
Parrella then served as the defensive line coach at Northern Michigan University from 2014 to 2015.
On January 18, 2019, Parrella was hired by the Cleveland Browns as an assistant defensive line coach.
This biographical article relating to an American football defensive lineman born in the 1960s is a stub.