FAYETTEVILLE -- Dalton Wagner found out shortly before kickoff Saturday he would be the emergency starter at left tackle for the University of Arkansas in place of Colton Jackson.
Wagner had taken the bulk of his reps at right tackle during the week.
Only Johnny Gibson and Brian Wallace have started all eight games at the same spots as the Razorbacks have used nine starters on their offensive line this season. A game-by-game look at the starters:
But when Jackson woke up with back spasms and could not get them alleviated during pre-game warmups, Wagner got the call on the other side of the line.