By TOM SHANAHAN Team equipment managers hear the juiciest gossip. As the locker room empties, they quietly go about their business, unintentionally a chameleon blended into the walls. Others forget they’re within earshot. Marty Daly was one of those guys at Michigan State. Daly was the Spartans’ assistant equipment manager from the 1965 to 1972, a time that overlapped College Football Hall of Fame coach Duffy Daugherty’s 1965 and 1966 national championship teams. He later was promoted to…