The Bills won the coin toss and elected to defer until the second half.
Derek Carr and the Oakland offense took over at their own 20-yard line, and on the first play from scrimmage Latavius Murray took the handoff from Carr and ran over the right side for a gain of six.
The Raiders punted the ball to the Bills, and on their first offensive play of the day, Kyle Orton handed the ball off to Fred Jackson who was met in the backfield by Khalil Mack for no gain on the play.
With just over 6:00 left in the first quarter, Antonio Smith brought down C.J. Spiller in the backfield for a loss of five.
Facing 3rd & long, Kyle Orton tried to connect with TE Scott Chandler but Charles Woodson intercepted the pass, the 60th of his career.
With 3:51 left in the first quarter, Orton handed off to C.J. Spiller but Khalil Mack and Miles Burris met him in the backfield for a loss of three on the play.
On the next play, Orton connected with Fred Jackson but he was tackled short of the first-down marker and Buffalo was forced to punt.
With 2:21 left in the first quarter Carr rolled to his right and bought time, eventually connecting with WR Kenbrell Thompkins for a gain of 13.
Facing a 3rd & 13, Carr had time in the pocket and unleashed a 50-yard pass to Thompkins that placed the ball on the Bills four-yard line.
On 2nd & goal, Carr found James Jones in the back of the end zone for the score. Sebastian Janikowski knocked in the extra point to tie the game at 7 with 14:56 left in the quarter.
On the Bills next possession, the Raiders forced a three and out, and Buffalo punted the ball back to Oakland where they took over at their own 43-yard line.
The Raiders relied on the run to matriculate the ball downfield, and although the drive stalled, Janikowski came on and connected from 45 yards out to give the Raiders a 10-7 lead with 8:09 left in the half.
On the ensuing drive, the Raiders defense forced an incomplete pass from Kyle Orton on 3rd down to force yet another punt from the Bills.
With 3:30 left in the first half, Carr threw a screen pass to Latavius Murray who ran through the Buffalo secondary for a gain of 19.
The Oakland drive stalled, and Janikowski trotted out and kicked his second field goal of the afternoon, this one from 36 yards out.