Alex Mack is still floating in free-agency limbo, but the Browns remain confident the Pro Bowl center will land back with them. Mack visited last weekend with the Jacksonville Jaguars, who have not yet offered him a contract and don't have imminent plans to make one. The Browns, who placed a transition tag on Mack, would have five days to match any offer and owner Jimmy Haslam said the team wants to keep him at all costs. ''We remain optimistic that Alex Mack will be a Cleveland Brown for a long time,'' Haslam said Tuesday night at the premiere of ''Draft Day,'' a fictional film about the Browns. More...