It's widely known that professional athletes love to play pranks on each other. In baseball, one of your teammates will set your foot on fire and call it a "hot foot." In football, rookies are often duct taped to goalposts then left to starve in the hot sun. In hockey, it's a rite of passage to have your jugular slashed by a rusty skate in a little joke called "icing." It's all in the game, and it's super fun because most of the time, no one dies.Basketball...