Which Bills quarterback led the team to four consecutive Super Bowl appearances?

In what year was the two-point conversion adopted by the NFL? What happens if an NFL regular-season game is still tied after the 10-minute overtime period? Which quarterback of the 1960s AFL's Chiefs won Super Bowl IV MVP? Which Dolphins quarterback, a Hall of Famer, never won a Super Bowl despite passing records? Which Bills backup quarterback led the biggest comeback in NFL playoff history, from 35-3 down against the Oilers in Ja… Which receiver caught the most passes in NFL history? Which tight end ranks among the top pass catchers in NFL history, playing for the Chiefs and Falcons? Which Cowboys tight end is the franchise's all-time leader in receptions?