Last week on RAW, The Shield attacked John Cena. And Seth Rollins? recent tweet looks like a warning to The Undertaker. Are The Shield looking to attack The Undertaker on tonight?s RAW? Here is Seth Rollins? tweet about The Undertaker: ?Deadman? is quite the poetic alias, wouldn?t you say? ?The Hounds invade O2 tonight. And our teeth are like daggers. #RAW ? Seth Rollins (@WWERollins) April 22, 2013