Batista won Royal Rumble 2014 by eliminating Roman Reigns in the end. Other contestants during the match were Alberto Del Rio, Alexander Rusev, Antonio Cesaro, Big E Langston, CM Punk, Cody Rhodes, Damien Sandow, Dean Ambrose, Dolph Ziggler, El Torito, Erick Rowan, Fandango, Goldust, Great Khali, Jack Swagger, JBL, Jey Uso, Jimmy Uso, Kane, Kevin Nash, Kofi Kingston, Luke Harper, R Truth, Rey Mysterio, Ryback, Seth Rollins, Sheamus and the Miz.
John Cena wins Royal Rumble 2013 by last eliminating Ryback. Other contestants in the match include Antonio Cesaro, Bo Dallas, Brodus Clay, Chris Jericho, Cody Rhodes, Damien Sandow, Daniel Bryan, Darren Young, David Otunga, Dolph Ziggler, Drew McIntyre, Godfather, Goldust, Great Khali, Heath Slater, Jinder Mahal, Kane, Kofi Kingston, Randy Orton, Rey Mysterio, Ryback, Santino Marella, Sheamus, Sin Cara, Tensai, The Miz, Titus ONeil, Wade Barrett and Zack Ryder.
While we still do not have a definite answer as to how long he has been upset with the company, we do know now that CM Punk was already contemplating a departure from WWE as early as Royal Rumble 2014. He vented to Mick Foley at the time about not being happy within the company and having trouble dealing with injuries.