BBC Sport - Billy Joe Saunders' son punches opponent Willie Monroe Jr at weigh-in

Low blow: Boxer's son punches rival at weigh-in

Billy Joe Saunders' son punches his father's opponent Willie Monroe Jr at the weigh-in for Saturday's WBO middleweight title fight.

Pictures courtesy of BoxNation and BT Sport.

READ MORE: Saunders' son punches Monroe at weigh-in

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