Bill Belichick 's first year at UNC has been nothing to cheer about ... but at least Jordon Hudson 's got him covered in that dept. -- The Tar Heels' head coach was a supportive boyfriend at her competition over the weekend. Photos of the 73-year-old at the Cheer Extreme All-Stars event in Raleigh have been making rounds on social media ... observing all the action as Hudson suited up for Code Black -- a team based in the Tar Heel state. Belichick -- who was rocking a grey sweatshirt -- was