Josh Allen’s pregame tradition spilled into the first half Sunday. Literally.

CBS cameras caught the Buffalo Bills quarterback throwing up on the sideline while wrapped in a cape-style parka.

The moment followed a sickening Bills defensive lapse, with TreVeyon Henderson ripping off a 65-yard touchdown run for the New England Patriots.

New England briefly regained the lead, but the Bills responded immediately . James Cook’s 11-yard touchdown on the next drive was Buffalo’s fifth straight touchdown possession and put the Bills back in front, 35-31, in the fourth quarter.

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