Trailing by a single point in the fourth quarter, the Patriots — led by rookie quarterback Mac Jones — were putting together what looked like a scoring drive against the Dolphins on Sunday.
With Jones completing timely passes and the running game bashing its way upfield, New England found itself at the Miami nine-yard line.
But even as a wave of momentum seemed to be building towards the go-ahead points, Patriots running back Damien Harris fumbled, and the Dolphins recovered.
Miami was then able to hold the ball until time ran out, securing a narrow victory.