Riddle:What does Rey Mysterio,Jeff Hardy and Edge have in common?

[QueenOfWrestling]

HINT:It has something to do with The Undertaker
They were all temp replacements for him when he was on break

 

[Connerm]

All Had Feuds With Taker ? I dunno or Did they all lose world tittle matches ?

 

[RyanR306]

They've all been tombstoned? I honestly have no clue

 

[Igotarock]

They all do cocaine.

 

[BugsBunny]

what, they are all on steroids, and jeff is the only one that got busted?
all get injured all the time
all were Super stars
not a clue...