The Patriots are on a 4-0 over run, and the Jets have gone over in their past two games.

But a BetMGM gambler is betting big on the under in the New England-New York matchup on “Thursday Night Football.”

The bettor made a $100,000 wager on under 43½, according to BetMGM’s John Ewing (@johnewing), and the total is now 43 after it opened at 45½.

The Westgate SuperBook reported sharp action on the under down to 43.

At BetMGM, 57 percent of the bets are on the over, while 80 percent of the money is on the under. At STN Sports, 75 percent of the tickets are on the over.

Five of the past six meetings between the AFC West foes have gone under.

Sharp action also has been reported on the Patriots, who are consensus 13-point favorites after the line opened at 10½. The Westgate, dealing -105 ju

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