Keep your eye on ...
Allen vs. Roos: After going without a tackle in his Vikings debut, Allen has recorded a sack in each of the last two games. But this week Allen will be facing reliable Titans LT Michael Roos, who has helped keep his quarterbacks on their feet; the Titans have allowed a league-low two sacks this season.
Collins' first test: The Titans quarterback has done enough to lead Tennessee to two wins, but those came against Cincinatti and Houston. How Collins manages against Minnesota's pass rush will say a lot about his long-term viability as Tennessee's starter.
White in the red zone: The emergence of rookie RB Chris Johnson has meant fewer carries for LenDale White but leaving him fresher in the red zone. White had a career-high two touchdown runs last week and aims for his fourth consecutive game with a TD.