The long list of my sports heroes actually isn't long at all. John Elway's at the top, followed by the likes of Carlton Fisk, Vance Johnson, Ed McCaffrey, Tim Tebow, Larry Fitzgerald, Clint Dolezel and Will Pettis. That's about it. But after the events of Friday morning, I'm contemplating adding one more to the list: John Mata. Who's John Mata?…