Cornerback Nnamdi Asomugha headlined a horde of free-agent acquisitions in Philadelphia last offseason that, at first blush, transformed the Eagles into a Super Bowl contender.  They played nowhere near that caliber last season, and Asomugha’s early frustrations in the defensive backfield hammered home what he now believes: Building a winning team is a slow-cook process.  Read more after the jump. Shay Marie x Sabrina B.