**
The New England Patriots take on the Philadelphia Eagles in a preseason game at Gillette Stadium on Friday, August 15, 2014.
New England Patriots quarterback Tom Brady takes the field before an NFL preseason football game against the Philadelphia Eagles on Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Charles Krupa)
New England Patriots quarterback Tom Brady warms up before an NFL preseason football game against the Philadelphia Eagles Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Elise Amendola)
New England Patriots quarterback Tom Brady poses for a photo with his sons before an NFL preseason football game against the Philadelphia Eagles on Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Elise Amendola)
New England Patriots head coach Bill Belichick, left, shakes hands with Philadelphia Eagles head coach Chip Kelly before an NFL preseason football game Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Charles Krupa)
New England Patriots quarterback Ryan Mallett warms up before an NFL preseason football game against the Philadelphia Eagles Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Elise Amendola)
New England Patriots quarterback Tom Brady (12) hands off to running back Stevan Ridley (22) in the first quarter of an NFL preseason football game against the Philadelphia Eagles Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Charles Krupa)
New England Patriots quarterback Tom Brady passes against the Philadelphia Eagles in the first quarter of an NFL preseason football game Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Elise Amendola)
New England Patriots running back Stevan Ridley (22) runs with the ball after a handoff from quarterback Tom Brady in the first quarter of an NFL preseason football game against the Philadelphia Eagles on Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Elise Amendola)
Philadelphia Eagles outside linebacker Connor Barwin (98) tries to tackle New England Patriots quarterback Tom Brady (12) in the first quarter of an NFL football game Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Elise Amendola)
New England Patriots quarterback Tom Brady, left, calls signals at the line of scrimmage against the Philadelphia Eagles in the first quarter of an NFL football game Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Elise Amendola)
New England Patriots quarterback Tom Brady, rear, hands off to New England Patriots running back James White in the first quarter of an NFL football game against the Philadelphia Eagles Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Elise Amendola)
New England Patriots quarterback Tom Brady (12) passes against the Philadelphia Eagles behind a block by tackle Jordan Devey (65) in the first quarter of an NFL football game Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Elise Amendola)
New England Patriots head coach Bill Belichick, left, argues a call with line judge Julian Mapp in the first quarter of an NFL football game against the Philadelphia Eagles Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Elise Amendola)
New England Patriots running back James White (28) looks for running room against Philadelphia Eagles defensive end Fletcher Cox (91) in the first quarter of an NFL football game Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Charles Krupa)
New England Patriots coach Bill Belichick argues a call with line judge Julian Mapp in the first quarter of an NFL football game against the Philadelphia Eagles on Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Elise Amendola)
New England Patriots wide receiver Kenbrell Thompkins (85) scores a touchdown in front of Philadelphia Eagles defensive back Curtis Marsh (31) in the first quarter of an NFL football game Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Charles Krupa)
New England Patriots quarterback Tom Brady, rear, celebrates his touchdown pass to wide receiver Kenbrell Thompkins (85) in the first quarter of an NFL preseason football game against the Philadelphia Eagles on Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Charles Krupa)
New England Patriots defensive end Rob Ninkovich (50) chases Philadelphia Eagles quarterback Nick Foles (9)in the first half of an NFL preseason football game Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Charles Krupa)
New England Patriots quarterback Jimmy Garoppolo looks for a pass receiver against the Philadelphia Eagles in the first half of an NFL preseason football game Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Elise Amendola)
New England Patriots quarterback Jimmy Garoppolo looks for a pass receiver against the Philadelphia Eagles in the first half of an NFL preseason football game Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Elise Amendola)
New England Patriots quarterback Jimmy Garoppolo (10) takes the snap at the line of scrimmage in the first half of an NFL preseason football game against the Philadelphia Eagles Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Elise Amendola)
New England Patriots quarterback Jimmy Garoppolo, left, looks for a receiver against Philadelphia Eagles inside linebacker Najee Goode (53) during the first half of an NFL preseason football game Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Elise Amendola)
Philadelphia Eagles wide receiver Ifeanyi Momah, center, fumbles the ball as he is sandwiched between New England Patriots defensive back Malcolm Butler (29) and linebacker Dont'a Hightower (54) in the first half of an NFL preseason football game Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Charles Krupa)
New England Patriots defensive tackle Tommy Kelly (93) prepares to recover a fumble by Philadelphia Eagles wide receiver Ifeanyi Momah (80) in the first half of an NFL preseason football game Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Charles Krupa)
New England Patriots fullback James Develin (46) runs past Philadelphia Eagles cornerback Brandon Boykin (22) for a touchdown after catching a pass from quarterback Jimmy Garoppolo in the first half of an NFL preseason football game Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Charles Krupa)
Philadelphia Eagles free safety Earl Wolff (28) knocks down a pass by New England Patriots quarterback Jimmy Garoppolo (10) in the first half of an NFL preseason football game Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Charles Krupa)
Philadelphia Eagles defensive end Taylor Hart (97) grabs the jersey of New England Patriots quarterback Jimmy Garoppolo (10) in the first half of an NFL preseason football game Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Charles Krupa)
Philadelphia Eagles tight end Brent Celek (87) loses his helmet as he is tackled by New England Patriots defensive backs Patrick Chung (23) and Malcolm Butler, rear, in the first half of an NFL preseason football game Friday, Aug. 15, 2014, in Foxborough, Mass. (AP Photo/Charles Krupa)
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FOXBOROUGH, Mass. (AP) -- **Tom Brady and the New England Patriots' other two quarterbacks each threw touchdown passes.
The Philadelphia Eagles' trio was plagued by turnovers.
Brady's scoring pass came after he threw an interception that Cory Williams returned 77 yards for a touchdown and the Patriots rebounded from a poor preseason debut for a 42-35 win on Friday night.
Brady's backups also were sharp in their competition for the No. 2 quarterback job with rookie Jimmy Garoppolo throwing two touchdown passes and Ryan Mallett passing for a score and running for another.
The Eagles rarely had the ball early.
And when they got it later, they kept giving it away.
New England had two offensive series before the Eagles had even one since the Patriots' first ended with Williams' interception.
Brady threw the ball to Steve Maneri, but the tight end who had signed five days earlier didn't turn around.
Williams hurt his hamstring on the play and didn't return.
The Patriots tied it on their next possession on a 15-yard touchdown pass to Kenbrell Thompkins, ending Brady's night after completing 8 of 10 passes for 81 yards in two series.
Then Philadelphia's turnovers began.
Ifeanyi Momah lost a fumble after catching Nick Foles' pass on their first offensive play. Mark Sanchez threw an interception on his second play of the third quarter and Momah lost another fumble midway through the third quarter after a reception on quarterback Matt Barkley's first play.
And on the second play of Barkley's next series, his pass was picked off by Nate Ebner.
Add Alex Henery's missed 47-yard field-goal attempt and a bunch of defensive penalties and coach Chip Kelly had plenty of mistakes to point out after a sloppy performance that followed three days of joint practices with the Patriots.
Garoppolo picked right up after Brady left, throwing scoring passes on his first two series, a 15-yarder to James Develin and a 4-yarder to Brandon LaFell for a 21-7 lead. The pass to LaFell was New England's 35th offensive play. Philadelphia had just six at the time.
The Eagles tied it at 21 at halftime with two scoring passes in the last four minutes, a 6-yarder from Foles to Zach Ertz and a 6-yarder from Sanchez to Arrelious Benn.
The score was tied 28-28 before touchdowns by two free agents, a 17-yard catch by Brian Tyms from Mallett and a 10-yard run by Roy Finch that gave the Patriots a 42-28 lead with 5:15 left in the third quarter.
Barkley's 27-yard scoring pass to Henry Josey cut the lead to seven points on the last play of the third quarter. The Eagles drove to the Patriots 1-yard line, but were stopped on fourth down with 4:39 to go.
