Racing Positions49ers serve notice to rest of NFL: It's time to take them seriously5YNick Wagoner49ers LS Nelson suspended 10 games for PEDs6YNick WagonerWhile other phases seek consistency, special teams gives 49ers stability8YNick Wagoner49ers' initial 53-man roster features rookies in prominent depth roles8YNick Wagoner49ers look to Brian Hoyer as bridge starter at quarterback8YNick WagonerNiners' 53-man roster projection features new faces at almost every position8YNick WagonerAfter adding Robbie Gould, 49ers set on specialists8YNick Wagoner