The Undertaker starts training for shock WWE return just months after retiring at WrestleMania
Taker was not expected back in the ring again after a tough 27-year career and a chronic hip problem

THE UNDERTAKER is training for a sensational WWE return later this year, it can be revealed.
The Deadman - real name Mark Calaway - was thought to have retired after being beaten by Roman Reigns at WrestleMania 33 in April.
He was not expected back in the ring again, after a tough 27-year career and a chronic hip problem through decades of brutal action.
But it is thought the wrestling legend will come back at No Mercy later this month, or just before, to continue his feud with rival Reigns.
The Big Dog has been smug ever since defeating Taker at Orlando's Mania, claiming the squared-circle is his "yard now".
But WWE chiefs want the Deadman to return and continue the pair's in-the-ring tustle.
suggested Undertaker, 52, was seen backstage at SummerSlam last month, sparking rumours of a comeback.
He was also seen working out in the ring before the pay-per-view in Brooklyn, US.
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John Cena even hinted at him making a stunning return on Monday Night RAW last week.
He made a jibe at Taker to Reigns, referencing him as "a battered veteran at the end of his career with a bad hip".
And now, It is thought the legend will be seen again on 24 September in Los Angeles, California, at No Mercy.
Cena will take on Reigns as chief support of the PPV, with Brock Lesnar facing Braun Strowman as the main event.
The Undertaker started his career in the WWE in November, 1990, under a different name.
He has won the WWE World Heavyweight Championship three times and tag team strap six times.