Rankings roundup: How the top 20 fared, Oct. 19-21

 (Jim Rosvold)
No. 4 North Dakota and No. 8 Minnesota battled to a two-game split last weekend (photo: Jim Rosvold).
Here is a rundown of how the top 20 teams in the USCHO.com Division I Men’s Poll of Oct. 16 fared over the Oct. 19-21 weekend.No. 1 Denver – tied, defeated Lake Superior StateNo. 2 Harvard – defeated U.S. NTDP Under-18 Team (exhibition)No. 3 St. Cloud State – swept No. 13 Boston CollegeNo. 4 North Dakota – split with No. 8 MinnesotaNo. 5 Notre Dame – split with Sacred HeartNo. 6 Wisconsin – split with Northern MichiganNo. 7 Boston University – tied, defeated ConnecticutNo. 8 Minnesota – split with No. 4 North DakotaNo. 9 Minnesota Duluth – tied, defeated MerrimackNo. 10 Providence – defeated St. Lawrence, lost to No. 12 ClarksonNo. 11 Penn State – split with American InternationalNo. 12 Clarkson – lost to No. 19 UMass Lowell, defeated No. 10 ProvidenceNo. 13 Boston College – swept by No. 3 St. Cloud StateNo. 14 Minnesota State – split with Bowling GreenNo. 15 Michigan Tech – split with Alabama HuntsvilleNo. 16 Northeastern – swept by No. 18 QuinnipiacNo. 17 New Hampshire – split with Colorado CollegeNo. 18 Quinnipiac – swept No. 16 NortheasternNo. 19 UMass Lowell – defeated No. 12 Clarkson, defeated St. LawrenceNo. 20 Air Force – split with Bemidji State