VIDEO : Jack Osbourne Allegedly Punched Estranged Wife's New Boyfriend

Jack Osbourne allegedly got physical with estranged wife Lisa?s new boyfriend, Michael Gabel.
TMZ reports that Michael Gabel showed up to intervene between Jack and Lisa at the house they once shared.
Extra reports that Jack allegedly punched Michael in the head before leaving the home.
Though cops were called and a battery report was taken, no charges will be filed.
A source says Jack was taken aback by Michael as he thought he was on track to winning Lisa back.
Lisa filed for divorce in May after nearly six years of marriage. They share their three children.