After four weekends of Big Ten play, Michigan State is now the only undefeated team in conference play after the Spartans improved to 4-0 in conference, 8-0 overall, with a victory at Northwestern. Ohio State and Wisconsin both picked up triumphs to stand just one game back in the standings at 3-1 in the conference. The Buckeyes shut out Purdue while the Badgers knocked off a ranked team for the second straight Saturday with a triumph at Iowa. In other conference action, Illinois and Penn State picked up Big Ten victories. For full recaps on each Big Ten contest on Oct. 23, click on this link.