What makes you think anyone on this coaching staff can fix the OL problems? Serious question. Has this staff developed anyone that can compete at a high level?
Yes, they have... TE Phillip Lutzenkirchen, WR Emory Blake, RB Mike Dyer, DE Dee Ford, DE Corey Lemonier, OT Brandon Moseley, LB Daren Bates (he'll be a Safety if he joins the NFL), WR Darvin Adams, RB Ontario McCalebb, LB Josh Bynes..that's about it (the others were either already improving before Coach Chizik and staff got here or they just didn't improve).
IMO, I'd move Slade to his natural position (Tackle) and bring in Alex Kozan at RG.