Taylor and AJ were above avg college defenders by their senior season. Then just having Blake's presence in the middle was enough to alter opposing team's offenses. I think everyone forgets that Juan P could have been a game changer this season.
Typically you would have upperclassmen waiting in the wings to fill the void, defections have left OU severely short especially on the front line. Blake leaves early, Pattillo was a fool, Clark out, Allen a bust as a project, Gallon vastly overrated with he and Fitz being a few seasons away from Big 12 level of play. I think Capel was a little snake bit here and really should have had a little more urgency in trying to recruit front line depth the last few seasons, maybe with the mindset of a few athletic defensive stoppers.
Trying to replace those guys with with true freshman Tiny and TMG from the Athletes Always Unguarded ranks, Willie who is always underachieving as a defender, and flat foot Fitz and robot Wright was a recipe for a defensive disaster from day 1. I think this guy had it right before the season even started.
We missed the writing on the wall
With that said, I think its incumbent on Capel to instill a defensive mindset on a team. Solid defense can always keep you in a basketball game. However, I don't care that these guys were MCDAAs, they are FLAT OUT TERRIBLE defenders. TMG is starting to get it, but I doubt Tiny ever will and doesn't have the athleticism. Willie had already punched his ticket to the league, the effort and desire required to be a great defender never was there. I think Capel will learn from this this season, that recruiting a player on offensive accolades alone can quickly kill a team. If you think of next years squad and defensive abilities, its downright scary. If we don't land more recruits to fill our voids on the defensive end for next season, we could be seeing much of the same next year.