Guy's got award-winning technique, that's all there is to it. He's going to make some man very happy one day.

According to Death and Taxes

During a rain-delayed Pirates vs Cubs game at Chicago’s Wrigley Field, a fan managed to sneak his way to the seats behind home plate to make blowjob faces for the entire ninth inning. Both the Pirates and the Cubs franchises are not exactly known for winning. That fact, combined with a rain delay, meant that the game was shown particularly late at night.