Aaron Donald unretires as NFL teams trim rosters; Bill Belichick secures biggest win at UNC

Getty Images This is an article version of the CBS Sports HQ AM Newsletter, the ultimate guide to every day in sports. You can sign up to get it in your inbox every weekday morning here. Aaron Donald unretired as NFL teams cut their rosters to 53 players. The GOAT is back! It’s been trending this way for a while, but Donald is officially returning to the Rams in search of a second Super Bowl and a potentially legendary comeback season. Donald is on the Rams and Odell Beckham Jr. made the Giants’ roster? What year is it — 2016…