Jack barely managed to get his arm up in time, deflecting the shot glass, but getting covered by the contents. He knew this was a stupid idea. It was always a stupid idea when the two of them got into a bar fight. But he was sick and tired of only fighting zombies and John was a ready and willing target.
He took the blow from the man's fist, smirked and motioned for John to bring it on. "This is starting to become a new tradition with us," he joked, hitting the other Time Agent with a hard right hook.