Thad Lewis completed one pass for a first down even as a blitzing linebacker knocked his helmet off and sent it skittering upfield.
The hit drew a flag and left Lewis sprawled on the turf, but the Buffalo Bills’ young quarterback leaped to his feet screaming and punching the air to celebrate the gain.
Lewis’s resilience proved infectious Sunday. The Bills blew an early 14-point lead, then rallied to kick the winning field goal with 33 seconds left and beat the Miami Dolphins, 23-21.
Mario Williams forced a fumble by sacking Ryan Tannehill with less than three minutes to go, setting up a 31-yard kick by Dan Carpenter, who was released in August after five seasons with the Dolphins and was booed throughout the game. Full story for BostonGlobe.com subscribers.