Jon Jones and Anderson Silva were nominated for ESPN’s Best Fighter ESPY, but once again, they were beaten out by boxer Floyd Mayweather Jr . The ESPYs are voted on by fans and were awarded Wednesday night in Los Angeles. Jones and Silva have each been nominated for the award three times since its inception in 2007, but no mixed martial artist has ever won it.  Mayweather has won the award five times, while Manny Pacquiao has won it on two occasions. ESPY voting takes place online and is open until the time the award is handed out, so much of the voting came after Silva got knocked out by Chris Weidman at UFC 162 on July 6. While fans may have voted Mayweather the top fighter, UFC broadcaster Joe Rogan, in the August issue of Inked magazine, pointed out that boxing is too limited when comparing fighters from that sport to mixed martial arts. “MMA for sure is more of a realistic contest, more of a realistic test as far as using the body in martial arts competition,” said Rogan. “Although not considered a martial art, boxing is really a martial art