Big Ten Power Rankings
1. Ohio State (7-0, 4-0) Trip to Purdue for night game isn't a gimme for Buckeyes, who showed some warts vs. Gophers. Last week: 1
2. Michigan (6-1, 4-0): Wolverines out to end hex vs. Michigan State, which has won four of past five and eight of past 10 in series. Last week: 3
3. Iowa (5-1, 2-1): Hawkeyes rolling behind QB Nate Stanley, who has 10 TD passes in the past two games. Last week: 5
4. Michigan State (4-2, 2-1): Gritty victory at Penn State showed Spartans' potential. Another over Michigan would shake up the East. Last week: 8
5. Penn State (4-2, 1-2): Nittany Lions better win at Indiana, because a stretch vs. Iowa, Michigan and Wisconsin awaits. Last week: 2
6. Wisconsin (4-2, 2-1): Battered by Michigan, Badgers can take out frustrations on Illini. Last week: 4
7. Northwestern (3-3, 3-1): Wildcats tune up for Wisconsin with visit to Rutgers. Last week: 6