By Ryan Zuke | rzuke1@mlive.com
The top four college hockey teams in Michigan all had another strong showing last weekend, winning a combined seven of eight games.
Every week, MLive will rank all seven Division I Michigan teams, provide their latest results and look ahead to their next opponents.
Only one team moved up this week, but the gap between the top four teams continues to tighten.
Also, there are now three teams in the latest U.S. college Hockey Online rankings after a WCHA team came in at No. 20 this week.
Below are the 12th rankings of the season.