Football and ribs. Ribs and football. No matter the order, it’s hard to think of a better combo. Celebrate the unofficial end of summer and the start of football season with a slab of the country’s best ribs, brisket, pulled pork, mac and cheese, or pile up your plate with something else your nutritionist would advise against. This Labor Day weekend tradition includes live music from Gene the Werewolf and The Clarks on Friday, and Tim Litvin and the Eli Young Band on Sunday. Pitt opens the season against Virginia on Saturday, and the Steelers are hosting some fitness activities, including a 5k, on Monday. Maybe you should just camp out on the North Shore for four days…