BBC Sport - BBC Sport advent calendar: Billy Joe Saunders' son punches Willie Monroe Jr at weigh-in

Advent calendar: Boxer's son punches rival at weigh-in

Day eight of BBC Sport's advent calendar relives Billy Joe Saunders' son punching his father's opponent Willie Monroe Jr at the weigh-in for their WBO middleweight title fight.

Pictures courtesy of BoxNation and BT Sport.

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