The Miami Dolphins have placed running back Ronnie Brown on injured reserve with a foot injury. To replace Brown on the active roster, the Dolphins signed safety Nate Ness from the team?s practice squad. For the season, Brown leads the Dolphins in rushing with 147 carries for 648 yards and eight touchdowns. The Auburn product added 14 receptions for 98 yards and is 2-6 passing for 22 yards and one touchdown. Brown suffered the injury to his foot which ultimately placed him on injured reserve during Miami's 25-23 victory over the Tampa Bay Buccaneers on November 15.