#2. AJ Styles
AJ Styles and Batista have never been in a feud as Styles was not in WWE for a majority of Batista's full-time run in the promotion.
But there seems to be some animosity between the two, that goes way back to 2005. Batista, who was then with the WWE, criticized Styles, who was a major player on TNA, about his style of wrestling.
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Batista said, "I've (also) seen clips of their car wreck matches, with AJ Styles doing his stunts. That's not wrestling, wrestling is storytelling."
Styles was not impressed with Batista's critique of his ring work and replied: "I think it's funny that a guy who takes a bump and tears his back is telling me that I don't know how to wrestle."
So, there's some real-life heat between the two, which could perfectly set up a storyline for a WrestleMania match considering how Styles does not seem to have a big match for WrestleMania.