In this interview, Borges notes that he coached against Mattison both when he was at Auburn and Mattsion at Florida, and when he was at UCLA and Mattison at Michigan. Their career record against one another comes out at an even 1-1.
They met on September 28, 1996. Mattison's Michigan defense held Borges' UCLA offense to 3 points in a 38-9 Michigan win (with the other 7 UCLA points resulting from an interception returned for a touchdown). A cursory check of the internet didn't turn up a boxscore, but I'm sure you'd rather just watch the highlights anyway.
They also met on September 29, 2007. Borges' Auburn offense put up 20 points on the Florida defense co-coordinated by Mattison in a 20-17 Auburn win. Auburn accumulated 326 yards with 227 coming through the air from the arm of Brandon Cox, with an average of less than 9 yards per pass. The two Auburn touchdowns were on running plays from inside the 10. Mattison's defense held the Auburn rushing attack to only 2.3 yards per carry with a long of 19 yards. The Florida defense, led by Brandon Spikes, also recorded two sacks and recovered one fumble.