Morriss was the Birds' 2nd-round pick in 1973. Although a guard in college, he was converted to a center as a rookie, and started 9 of 14 games that season.
He played in all 159 games during his tenure with the Eagles, and after his rookie season, he started all but 1 game.
Waived after the 1983 season, he played 4 more years as the Patriots' backup center.