SteelersNFLPittsburgh Steelers rebuild CB depth, say goodbye to Cockrell, Golson9YJeremy FowlerDylan Buell/Getty Images
49ersNFLAfter offseason makeover, 49ers could have new starters at almost every position group9YNick WagonerAP Photo/Mark Lambie
49ersNFL49ers seeking big, physical cornerback for revamped defense9YNick WagonerMatthew Visinsky/Icon Sportswire
49ersNFLNew scheme could lead to new look for 49ers cornerbacks9YNick WagonerGavin Baker/Icon Sportswire
49ersNFLJaCorey Shepherd gives Niners much-needed help on kick returns10YNick WagonerD. Ross Cameron/AP
