Callaway has been the offensive line coach at Western Kentucky alongside Helton since 2013. He is expected to join the Trojans in the same position, according to Sports Illustrated’s Thayer Evans.
Western Kentucky OL coach Neil Callaway expected in same role for USC coach Clay Helton per source.
— Thayer Evans (@ThayerEvansSI) December 31, 2015
Callaway has a long history as an offensive line coach. He was the offensive line coach throughout the 1980s at Auburn, seeing the Tigers power run game with Heisman Trophy winner Bo Jackson. After a stint in Houston as the offensive coordinator, he moved on to Alabama from 1997 to 2000, where he was joint offensive coordinator and offensive line coach.