49ersNFLSet the alarm: 49ers ready to get aggressive in free agency9YNick WagonerThearon W. Henderson/Getty Images
49ersNFLNew scheme could lead to new look for 49ers cornerbacks9YNick WagonerGavin Baker/Icon Sportswire
49ersNFL49ers fumbling problems easy to identify, harder to fix9YNick WagonerBrian Rothmuller/Icon Sportswire
49ersNFLJaCorey Shepherd gives Niners much-needed help on kick returns10YNick WagonerD. Ross Cameron/AP
49ersNFL49ers put CB Chris Davis on injured reserve, sign JaCorey Shepherd10YNick WagonerBill Streicher/USA TODAY Sports
