WATCH: Patriots' Mistake-Prone Offense Imploding, Trail Bills 20-14

The New England Patriots have committed four first-half turnovers against the Buffalo Bills.

Despite returning the opening kickoff for a touchdown and holding Josh Allen to a 1-of-7 start, the New England Patriots are enduring a disastrous first half against the Buffalo Bills.

After taking a 7-0 lead on Jalen Reagor's 98-yard kickoff return, the Pats were outscored 20-0 thanks to a mistake-prone offense. Quarterback Bailey Zappe has thrown three interceptions, including two on his first three passes.

Zappe's latest interception was return 40 yards for a touchdown by Buffalo's Rasul Douglas to make it 20-7 midway through the second quarter.

RASUL DOUGLAS PICK-6. His second INT of the day

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Zappe's interceptions - two by Douglas - have led to all the Bills points. Tight end Pharoah Brown also fumbled after a catch for New England's fourth turnover in the game's first 20 minutes.

All four turnovers occurred deep in Patriots' territory inside the 30-yard line. Douglas, who also created the first interception with a deflected pass, stepped in front of Reagor for the Pick 6.

WATCH: Reagor 98-Yard Opening Kickoff Return Gives Pats Early Lead Over Bills

Zappe's 17-yard scramble got New England's offense on the board to cut the lead to 20-14.

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