DP beat an injured Nadal and a horrific, tactically naive Federer. If only Murray had been served up that Federer in one of his finals.
Primo: Nadal was not injured, all faking.
Secundo: Federer played well. Murray would have lost to that Nadal.
Deal with it. One will retire with a slam title, another will retire with being a 1000s hero at max.