-Well I know that 32 teams played the last week with 16 winners (no ties Week 17) so that produces 16 winners.
-Now I have to try to think back to remember if any playoff teams who won and lost. I do remember the saints losing when Bree's was trying to get the record in Carolina who lost in the playoffs.
-All playoff teams but the Steelers lost their last game so we know who that includes.
So my best guess would be 6 teams won their last game which includes the Steelers winning the SB.
1) Houston upset Chicago forcing them out of the playoffs (Texans won last game)
2) Oakland upset Tampa which put them out of the playoffs (Oakland won)
3) Detroit went into GB looking for their first win I remember in Week 17 and they went 0-16 so I would say that (Green Bay won its final game)
4) SF ended the season on a winning streak under Mike S. but not sure who they beat in Week 17
5) Who can forget about US beating Buffalo in the hurricane.
6) Pittsburgh who won the SB
That is my best guess and breakdown without cheating......time to go see if I was right