By Andrew McCarty On Saturday morning, ESPN’s College GameDay kicked off from Knoxville ahead of a showdown between Tennessee and Florida. Before the game kicked off, though, the GameDay crew broke down a huge slate of games. Once again, beloved analyst Lee Corso was in the headlines. At 87 years old, some fans think it’s time for ESPN to let him retire. “Man, it’s tough to watch Lee Corso. I hope he can finish out this year gracefully then hang it up,” said one fan. “i’m torn between being heartbroken that Lee Corso won’t be doing this much longer and being heartbroken that he is still up the…