The San Francisco 49ers have agreed to terms with cornerback Carlos Rogers on a four-year extension, Jason La Canfora of the NFL Network reports. According to La Canfora, the extension is worth $31.3 million. Signed to a one-year, $4.25 million contract with the 49ers last August, Rogers earned Pro Bowl honors after recording a career-high six interceptions as a 16-game starter. Originally selected with the ninth overall pick of the 2005 NFL Draft, Rogers has 342 tackles, 14 interceptions and 91 passes defensed in 94 career games. Source: Mac's Football Blog