Texas quarterback Arch Manning is in concussion protocol this week ahead of the No. 20 Longhorns' Week 10 showdown against No. 9 Vanderbilt, coach Steve Sarkisian confirmed Monday. Manning exited Saturday's 45-38 win over Mississippi State on Saturday night after his helmet made contact with the turf at the end of a 13-yard scramble, and he was evaluated further on Sunday.

Manning knifed his way through the heart of Mississippi State's defense in overtime with the score tied at 38 before he was tackled by Bulldogs safety Isaac Smith and defensive lineman Kedrick Bingley-Jones , who hit him from behind. Coaches Poll top 25: Texas A&M gets first-place votes, Vanderbilt surges in Week 10 college football rankings Brad Crawford

Manning tried to get up with the help o

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