EVANSTON-The turning point in Northwestern's 34-13 loss to Penn State on Saturday was not a touchdown, a sack or a turnover. It didn't even happen on field.

It was a long, solitary stroll by Northwestern quarterback Mike Kafka, who walked through the purple canopied tunnel and into the locker room in the second quarter with an undisclosed injury.

The fifth-year senior didn't return, and neither did Northwestern's offense.



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