title: Lesnar leaves WWE Battleground: WWE.com Exclusive, July 19, 2015, channel: WWE brock lesnar,seth rollins (tv actor),the undertaker (musical artist),wrestling,sports entertainment (industry),submission wrestling (martial art),wrestle,paul heyman,professional wrestling (sport),wwe,wrestler,wwe world heavyweight championship,battleground (2015),superstars,world wrestling entertainment,wwe battleground sports