Rogers finished the regular season with 43 tackles, 6 interceptions and a touchdown.
There has also been news that the 49ers are interested in Eric Wright (Detroit) and Brandon Carr (Kansas City).
Updated at 7:27 PM
Jason LaCanfora reports that the Carlos Rogers deal is for 4-years and worth a max of $31.3 million.
Updated at 7:33 PM
Matt Barrows adds the following on Twitter (@mattbarrows):
Carlos Rogers' four-year deal means every starter from the 49ers' 2011 defense will be back in 2012