Oklahoma benches QB Jackson Arnold, will start freshman vs. Auburn

(Photo credit: BRYAN TERRY/THE OKLAHOMAN / USA TODAY NETWORK via Imagn Images)
Oklahoma is benching quarterback Jackson Arnold and turning to true freshman Michael Hawkins Jr. for its Saturday road game against Auburn, coach Brent Venables said Monday during his weekly coaches show.

Arnold, a sophomore, completed 61 of 102 passes for 538 yards, seven touchdowns and three interceptions in the first four games of the seaso