Sunday's showdown at Lambeau Field rearranged the top of the NFL.com Power Poll. Track the results of Week 1's other surprising outcomes, and see where your team finished this week in our experts' panel.
Here's what else is on tap Tuesday:
» Get a head start on all the day's football buzz with "NFL AM" from 6 a.m. to 10 a.m. ET on NFL Network. Former NFL wide receiver Qadry Ismail, now an analyst for the Baltimore Ravens, will talk about Baltimore's impressive showing Monday night.
Instant Debate: San Francisco treat
» If you missed Robert Griffin III's electrifying debut against the New Orleans Saints on Sunday, tune in to NFL Network on Tuesday 8 p.m. ET to catch the game on "NFL Replay." That will be followed by the Steelers-Broncos replay at 9:30 p.m. The Detroit Lions' last-minute victory against the St. Louis Rams will be replayed Wednesday night at 9 p.m. ET.
» Now that all of Week 1's games are in the books, which players impressed you the most? Have your say by voting for the FedEx Air & Ground Players of the Week.
» Elliot Harrison checks in with his Week 1 NFL Power Rankings, fully explained.
» Match your wits against NFL Network stars like Deion Sanders, Kurt Warner and Marshall Faulk and see if you can correctly predict the winners of every game in Week 2.