Games 1-8: 90.3 qbr, 1781 yds, 12 td, 3 int
Games 9-16: 80.2 qbr, 1269 yds, 11 td, 7 int
Plus he didn't have a 200 yard game after week 10.
Looked like a possible shoulder separation for Portis. He was making a tackle off an embarrassingly bad interception from Brunell.