Week nine saw some defenses go to town against struggling opposing NFL offenses, as they dominated their games.

but for how his helmet holds up under pressure. For Tua and his team the focus is now on Sunday’s Week 8 match-up with the Arizona Cardinals. The action gets underway at 1 p.m. ET / 10 a.m. PT ...

The Arizona Cardinals kicked a game-winning field goal ... Upon video replay, Hart’s helmet appeared to make contact with Harrison’s, though it wasn’t a clear helmet-to-helmet situation ...

Arizona Cardinals wide receiver Marvin Harrison Jr ... Olave was ruled out to be evaluated for a concussion following a helmet-to-helmet hit as he lost a fumble that was returned for a Tampa ...

Week nine saw some intense games as teams were fighting for a potential playoff run. Here are the grades for all 32 NFL teams ...