WZ has learned from sources that The Undertaker is backstage at tonight's Raw.
The show is live in San Antonio, Texas and The Undertaker lives just outside of Houston.
He isn't expected to appear on television for the three-hour program but it's very possible he will take part in some kind of tribute to Shawn Michaels after Raw goes off the air in front of the live audience.
WZ will bring you more information as it becomes available.
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