Florida's Mullen, Miami's Diaz forged friendship decade ago

University of Miami NCAA college football head coach Manny Diaz talks to the media after practice in Coral Gables, Fla., Wednesday, Aug. 21, 2019. (David Santiago/Miami Herald via AP)

FILE - In this July 26, 2019, file photo, Florida quarterback Feleipe Franks (13) runs with the ball as head coach Dan Mullen watches during an NCAA college football practice in Gainesville, Fla. (Brad McClenny/The Gainesville Sun via AP, File)

Miami defensive coordinator Blake Baker speaks to the media about the start of the NCAA college football season in Coral Gables, Fla., Monday, Aug. 19, 2019. (Daniel A. Varela/Miami Herald via AP)

FILE - In this Oct. 27, 2018, file photo, Florida head coach Dan Mullen, left, talks with defensive back Chauncey Gardner-Johnson during the first half of an NCAA college football game in Jacksonville, Fla. Mullen is navigating a few last-minute roster tweaks before the season opener. (AP Photo/John Raoux, File)