NORMAN — Oklahoma must replace all but one of its top linebacker contributors from last year's Big 12 championship and College Football Playoff team, and Sooner coaches continue to address that need on the recruiting trail.
Four-star prospect Mark Jackson flipped from Texas A&M to Oklahoma on Monday, giving the Sooners their third linebacker commitment in the last two weeks.
Jackson, ranked as the 13th-best weakside defensive end nationally by Rivals.com, is projected to play outside linebacker for the Sooners. His commitment came on the same day when longtime linebacker commit Bryce Youngquist announced that he won't sign Wednesday due to “personal reasons.