Why 49ers have all leverage in negotiations with Mostert Comcast SportsNet Bay AreaRB Raheem Mostert requests trade from 49ers, agent says ESPNRB Raheem Mostert requests trade from 49ers NFL.com49ers news: Jimmy Garoppolo receives just 2 votes from 50 execs, players, coaches for NFL's top-10 QBs 49ers WebzoneSF 49ers' Raheem Mostert seeks trade as contract talks fizzle SFGateView Full Coverage on Google News