A quick look at 2025 winning streaks by Big Ten teams shows No. 1 Ohio State and No. 2 Indiana at the top, obviously, both 7-0 and among just six undefeated FBS teams.

But the third-best overall winning streak among conference teams belongs to one that hasn’t even sniffed the rankings.

Northwestern has won four straight games after a 1-2 start and is doing things it hasn’t done in years.

In the third game of their streak, the Wildcats beat reeling Penn State for the first time since 2015 after three straight losses to the Nittany Lions. On Saturday at the lakefront Martin Stadium, they beat Purdue 19-0 for their first shutout since 2017 against Minnesota. They beat UCLA and Louisiana-Monroe at home to start the stretch.

The turnaround is thanks in large part to a defense that’s all

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