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Davis Mills has taken over at QB for the second half. The quarterback switch comes after K.J. Costello took a brutal hit to the head from Northwestern’s Earnest Brown:
Such a dangerous hit to the head of Stanford QB K.J. Costello. Somehow Northwestern's Earnest Brown was not ejected. pic.twitter.com/FWfD5YIfok
— Yahoo Sports College Football (@YahooSportsCFB) August 31, 2019
No targeting penalty was called. Costello is out for the second half, presumably with a concussion.
On Mills’s first drive, he turned over the ball on a fumble.