The Big Ten has five teams in the top 15 of the AP Poll this week: No. 2 Ohio State, No. 7 Oregon, No. 8 Penn State, No. 10 Michigan and No. 13 USC. The Ducks and Wolverines looked vulnerable in Week 1. The Nittany Lions and Trojans looked dangerous. And the Buckeyes are still the favorite to win the league. CLICK HERE to go to PrizePicks and use code ON3 to receive a guaranteed $50 once you play $5 in lineups! Overreactions are common after Week 1. Then again, it’s hard to tell at this point of the fall what’s actually an overreaction. It’s important to take stock anyway. That’s what we’ll be…