The team’s win against the Jets in London was not without some worry. The team came out firing out of the gates but struggled down the stretch, and several factors were at play. This time, more than most this year, the PFF grades are going to be very interesting.

The NFL’s International Series returns this Sunday as the 2-2 Jets battle the 4-0 Vikings in London. Minnesota is a 2.5-point favorite, and the total is hovering around 40. The Vikings’ incredible 4-0 start is largely because of the magic of defensive coordinator Brian Flores.

The New York Jets and the Minnesota Vikings head to London for a clash between conferences. Here's what you need to know ahead of kickoff on Sunday.