ANN ARBOR, Mich. (AP) — Coach Jim Harbaugh says he is staying at Michigan, responding to speculation he's returning to the NFL. The former San Francisco 49ers coach tells ESPN he's not going anywhere . Former Ohio State star receiver and Fox Sports analyst Cris Carter has said Harbaugh is a potential candidate to lead the Green Bay Packers and Cleveland Browns. Harbaugh and the eighth-ranked Wolverines were celebrated Sunday at a banquet.