By Alek Arend Frustration is boiling over in Toronto. Raptors guard Fred VanVleet just ripped his jersey in half and walked straight to the locker room after getting called for a foul. It’s unclear why VanVleet became so frustrated. The Raptors have a 53-49 lead over Philadelphia at the half. However, Toronto is down 0-3 in the series. After fouling a player to stop the action in the first half, VanVleet ripped his jersey in half. He then proceeded to head straight to the locker room. It’s unclear if he left the court to get a new jersey or if he’s dealing with an injury. “Fred VanVleet rips h…