The Yankees’ rotation has been sensational of late and a big key to the current surge the team is experiencing. The entire rotation, with the possible exception of ace, C.C. Sabathia, have been pushing expectations and Phil Hughes has been front and center. After an awful first month of the season, Hughes is now 6-5 and has won consistently since the middle of May. Much has been made of his pitching with his old bullpen mentality. That translates to being more aggressive. And the strategy seems to have worked. But is it sustainable?