by Bruce CiskieFiled under: Browns, AFC NorthOne day after showing up in Cleveland, anticipating a deal, first-round pick Alex Mack finally has one. The center out of California has been penciled in as the Browns' starter, so he knew from the start of minicamp that his presence at training camp from the start would be very important.With the contract done, Mack becomes just the third first-round pick to put pen to paper on a contract, joining top-five quarterbacks Matthew Stafford (Detroi...