DANVERS — St. John’s Prep wrestling head coach Manny Costa has made official what he leaked to his team weeks ago: This will be his final season. Everything that can be achieved in high school wrestling, he’s done. Everything a head coach can prove, he’s proven. “It would be impossible to quantify the positive impact Manny has had on the state’s wrestling community … [Read more...] about Longtime wrestling coach Costa calls it a career