The exodus from the
Smith, 35, played seven seasons with the
"Justin is the consummate professional whose impact on this organization can never be measured by statistics alone," 49ers General Manager Trent Baalke said. "His durability, competitiveness, work ethic, strength and rare stamina helped set him apart over his 14-year career."
Selected fourth overall by the Bengals in 2001, Smith signed with the 49ers in 2008. He was named to the Pro Bowl five straight seasons starting in 2009 and earned the 49ers' most-valuable player award in 2008 and 2011.