It was a tough week for many of the Big Ten’s top teams. But a good week for many bubble teams.

BIG TEN POWER POWER RANKINGS

BOBBING AND WEAVING

1, PURDUE (No. 1 in last ranking), 23-6, 12-4: Suspect perimeter? No problem. Still tracking for regular-season title in skittery Big Ten.

FLOAT LIKE A BUTTERFLY, STING LIKE A BEE

2, MINNESOTA (No. 5), 22-7, 10-6: In a deep hole after five-game losings streak, Gophers have won seven in a row to emerge as perhaps the league’s most dangerous team heading into March.

3, MICHIGAN STATE (No. 6), 18-11, 10-6: Young Spartans have won four of five and are homing in on 20th straight NCAA bid, which had looked shaky for a while. It’s Tom Izzo. It’s March. We shouldn’t be surprised. The rest of this article is available to subscribers only – to become a subscriber click here.