Listed at 6-foot-4 and 375 pounds, Jasper spent much of his rookie season last year on the Bills practice squad before being activated for the final game. Jasper was regarded as a raw, untested talent, when the Bills took a slight gamble in drafting him out of Tennessee's Bethel University with their second of two seventh-round picks.
Buffalo made the pick only after Jasper met the team's condition by dropping his weight to under 400 pounds before draft day.
Initially pegged as a defensive lineman, Jasper was switched to the offensive line last year.
Coach Chan Gailey had expressed concern about Jasper's inconsistency as recently as last week.