NORMAN — Ben Arbuckle’s first season as OU football’s offensive coordinator was filled with ups and downs. The Sooners managed to do enough to improve from last season and make a run to the College Football Playoff. But in other respects, Arbuckle’s offense left a lot of meat on the bone as far as the lofty goals entering the season. “There's going to be a lot of really good things to reflect on,” Arbuckle said immediately following OU’s 34-24 loss to Alabama in the first round of the playoffs. “There's going to be a lot of areas that we...