Make The Call - 3/25 - 3/31

Two players (teammates) found themselves temporarily outside the field of play. Teammate A confronted teammate B about his lack of skills. After not seeing any reaction from teammate B, teammate A punched him in the face while the ball was still in play. In this situation the Referee should:

Answer: ATR 5.19, 12.34 Stop the play, Send-Off teammate A and restart the game with a Dropped Ball