"Although a little on the small side for a pro tackle, Costa has the quickness and strength to make his 255 pounds effective. A six-year veteran from Notre Dame, where he played offensive and defensive end as well as tackle and halfback, Costa moved to right tackle last year after four years as a tight end. An ankle injury in 1968 helped him make the decision to move.
At 28, Costa is the second youngest returning regular in the Bills' front line and the year's experience at tackle should make him all the tougher."
-Brenda and Jack Zanger, Pro Football 1970