The Spurs played a huge prank of rookie G Stephon Castle after the team beat the Dallas Mavericks 126-116, here’s what we know: @spurfectblog | #PorVida #GoSpursGo #Spurs #StephCastle #PrankWars #PrankWarChampion #WomenInSports #SportsJournalist #NBAJournalist #NAHj