The two coaches have met briefly, but have never played against one another.
That all changes later this month, Dec. 29, in the Peach Bowl when Jim Harbaugh's No. 7 Michigan team squares off against Florida, coached by Dan Mullen.
During a conference call Sunday night with reporters, Harbaugh praised the 10th-ranked Gators as one of college football's most premier programs.
"I've always looked at the Florida Gators as one of the top teams in college football," Harbaugh said. "A lot of talent and a very well-coached team. I caught them on TV a couple of times.