Jags think it’s a 50-50 shot that they’ll end up with Alex Mack

Some of the details regarding the tentative terms of the five-year offer sheet that center Alex Mack will sign with the Jaguars are beginning to trickle out. Per a league source, it’s a fairly straightforward contract. Despite speculation that the deal will include a 2015 balloon payment requiring a restructuring that Mack would do in…