Good sportsmanship is something that just about everyone is taught from a young age. If you've played youth sports, then you no doubt know this. But unfortunately, not everyone puts good sportsmanship to use when they're on the court or field. And that includes some pro athletes. To demonstrate this, Bleacher Report just put together a list of 16 acts of bad sportsmanship over here. Win or lose, you should never act like athletes, kids.

[via Bleacher Report]