The Giants led 6-0 after the first quarter. Brown kicked field goals of 40 and 44 yards.
Brown's third field goal, a 33-yarder, made it 9-0 with 10:25 left in the second quarter. Brown's fourth field goal, a 46-yarder, gave the Giants a 12-0 lead with 2:29 left in the half.
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During the first half Manning surpassed Phil Simms to become the Giants' all-time leader in passing yardage. Manning is 15-of-24 for 165 yards.
The Giants gained 229 yards while holding the Eagles to 72 yards. Philadelphia turned the ball over twice. The Giants had the ball for 21:13 to 8:37 for Philly.
Michael Vick left the game late in the first half and Matt Barkley came on for the Eagles. Vick finished 6-of-9 for 31 yards with an interception.
Barkley drove the Eagles to the Giants' 2-yard line but a strip sack by Terrell Thomas and fumble recovery by Jacquian Williams prevented a Philadelphia score with 1:05 left in the half.