FILE - This Oct. 3, 2010 file photo shows Baltimore Ravens receiver Derrick Mason (85) hauling in a 40-yard pass from quarterback Joe Flacco under pressure from Pittsburgh Steelers cornerback Ryan Clark (25) during the first quarter of an NFL football game in Pittsburgh. Mason announced his retirement at a news conference in Owing Mills, Md., Monday, June 11, 2012.(AP Photo/Gene Puskar, File)