Several years ago, Will Smith starred as legendary boxer Muhammad Ali in a movie. It was a movie. Play acting. Pretend. Smith didn’t actually get into a ring and box 12 rounds with Mike Tyson for real. Now Mickey Rourke is winning awards for his role as professional wrestler Randy the Ram in the acclaimed movie The Wrestler. That’s the difference between boxing and pro wrestling. Rourke has signed to wrestle WWE superstar Chris Jericho at Wrestlemania 25 in Reliant Stadium on April 5. For real, or as real as pro wrestling can be. Rourke made the surprise announcement Sunday...