MADISON, Wis. >> A Big Ten game with high stakes may be decided in the trenches.No. 19 Michigan's defensive front can swarm a backfield. No. 5 Wisconsin's offensive line likes to push people around, and it's only getting better with each game.The Wolverines (8-2, 5-2, CFP No. 24) would love to shove the undefeated Badgers (10-0, 7-0, CFP No.