Lane Kiffin has seen a different side of Nick Saban, like the rest of the college football world, since his retirement from coaching. Evidently, it’s shocked Kiffin to see Saban joking around and having fun on College GameDay and during various commercial appearances. So much so, the Ole Miss leader made a point to let Saban know during an appearance on the aforementioned ESPN pregame show on Saturday morning. CLICK HERE to go to PrizePicks and use code ON3 to receive a guaranteed $50 once you play $5 in lineups! “I love Coach, but I never saw that side,” Kiffin joked. “I actually saw a commer…