Brent Venables pulled the trigger on inserting Michael Hawkins in place of Jackson Arnold at QB vs. Tennessee. Though Hawkins gave OU a spark, Venables said the battle is open.

After Oklahoma turned in one of its worst offensive showings of the 21st century, get ready for a testy week in Norman as coach Brent Venables navigates an unexpected QB dilemma

Just a month ago, the long-awaited Jackson Arnold era was underway at Oklahoma. The highly touted quarterback seemed ready to take his place among the greats at a school that has produced four Heisman winners this century at the position.