Predicting upsets in Week 4 of NFL season

We're three full weeks into this NFL season, and so far it's been a wild ride. There are currently 5 teams who are undefeated while another 5 have yet to get their first win.

This week we have identified five games where we are putting the expected winner on upset alert. Let's dig in and see which underdogs are poised for a Week 4 upset victory.