He will recover
I think undertaker will return at royal rumble or at wreslemaina !
He will return in february to wwe.
The Undertaker is scheduled to reappear at Summer Slam.
The Undertaker took time off but returned to WWE.
Probably 2.21.11 :)
he may return at sumerslam and join team wwe
No, undertaker did not quit the WWE he was just at WM28 to wrestle Triple H again.