For the past five years, Oklahoma coaches have had few worries about who would lead the Sooners' offensive line. First All-American Gabe Ikard, then Ty Darlington starred at center and the two erudite linemen proved to be vital cogs on teams that won a pair of Big 12 Conference titles. Oklahoma will start this season at No. 3 in The Associated Press rankings and is considered a serious contender for a spot in the College Football Playoff for the second straight year, but one of the primary questions for the Sooners will be how quickly a young offensive line can develop and open the way for stars such as quarterback Baker Mayfield and running backs Samaje Perine and Joe Mixon.

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