Professional sports now walk the line between competition and entertainment. And being humans, we like to be entertained. BUT, I believe what the leagues (the owners, commissioners, etc.) have to be careful about is compromising the integrity of the game. When "the game" becomes secondary to the event (competition v. entertainment) then they run the risk of losing control; e.g. staged events like Joe Horn and Terrel Owens. A couple of years ago in the NFL it was the hand gestures that had street-gang signifigance. If these types of extraneous activities are allowed to continue, then only the players imagination will be the limit. A little spontaneous celebration can be expected and tolerated, but choreographed dances and working with props goes beyond the realm of sport.