Undertaker made his return to Raw wearing a wig

Some may not believe it but various sources indicate that in the past Raw SuperShow The Undertaker made his return wearing a wig. As you know, had left a few months ago rumors that Undertaker had shaved head but now we can confirm that if he shaved and so far not to re-grow hair and on Monday we all think that taker had made a change to look but in fact wearing a wig. What do you think? Did you notice?