Last season, a story-book turnaround ended in disastrous fashion on one of the biggest stages in college football.
Oklahoma defensive coordinator Alex Grinch took over the worst defense in the history of Sooner football and turned it into a respectable unit.
Actually, Grinch made it more than that. His “SpeedD” was a top defense in college football a year ago, helping push the Sooners across the finish line to earn their fifth straight Big 12 Championship and their third straight bid to the College Football Playoff.
And then the wheels fell off the wagon…
To read the full story, head to https://www.si.com/college/oklahoma/football/ou-defense-seeks-validation-this-bowl-trip