Getty Los Angeles Chargers outside linebacker Khalil Mack. The Philadelphia Eagles are going to have a problem when the offseason rolls around — a problem in the form of an exodus of edge rushers in free agents Brandon Graham and Josh Sweat . That means the Eagles need to stay aware of what’s out there in terms of their possible replacements. Bleacher Report’s Kristopher Knox thinks the answer might come in the form of current Los Angeles Chargers outside linebacker and former NFL Defensive