[1] The 36-yard touchdown pass from Bills quarterback Joe Ferguson to running back Roland Hooks as time expired won the game for Buffalo, 20–17.
In their 1981 NFL preview, Sports Illustrated's Paul Zimmerman wrote, "A word of advice: Go to Vegas and take the price on Buffalo to go all the way.
They'll have to stay almost injury-free, though, because they're in big trouble if one of the big boys goes down, (Joe) Ferguson, Nose Guard Freddy Smerlas, Wide Receiver Jerry Butler or Halfback Joe Cribbs, who handled the ball more times (389) than any back in the NFL, counting passes caught and punt and kick returns as well as his rushes.
Rookies in italics Coming off their win at home against the Washington Redskins, the Buffalo Bills traveled to San Diego to face the Chargers and their potent offense.
The 2nd quarter produced a 21-point flurry that began when Dan Fouts threw a touchdown pass of 17 yards to Wes Chandler.
A 19-yarder from Leahy was the only score in the third, then early in the fourth Ferguson was picked off by Donald Dykes, but Todd was intercepted by Bill Simpson.
Following the Simpson pick Ferguson was intercepted again, by Jerry Holmes, but the Bills defense forced a mediocre punt by Chuck Ramsey caught at the 50.
The Bills began chipping away at the deficit in the 2nd quarter when Joe Cribbs scored from 1 yard out and cut Cincinnati's lead to 14-7 at the half.
The Bills fought back and tied the game again in the 4th quarter when Jerry Butler caught a 21-yard touchdown pass from Joe Ferguson.
The Bills attempted to tie the game at the end of regulation, but Joe Ferguson's fourth down pass fell incomplete and Cincinnati held on for the win.