Because he is on Smackdown not RAW
smackdown
no, hes on smackdown wwe
no he is having knee surgery that's why he hasn't been on smackdown
in WWE Smackdown
Yes.If you look at Smackdown in 2006,blood fell down on Mr.Kennedy.
miz undertaker smackdown cena wwe champ
Rey Mysterio
WWE Monday Night Raw first aired in 1993 with The Undertaker being the only current superstar to still be with the WWE to have wrestled on the first Raw show, Smackdown first aired in 1999
No. He is still wrestling as part of the WWE smackdown brand. He hasn't left the WWE or Smackdown yet. He is going to compete next in the 2011 royal rumble
not soon undertaker aka mark calloway said he wants to stay at smackdown
yes, undertaker is still alive to this day and is wrestling on the wwe smackdown brand but is currently inactive due to injury