The Mancunian challenger is endeavoring to join Anthony Joshua as a British world heavyweight champion when he fights WBO belt holder Parker at Manchester Arena on Saturday.
Wrath tipped the scales at 16st 10lbs, with Parker coming in heavier at 17st 7lbs, and the home most loved lashed out after a long go head to head before the cameras.
With cousin Tyson Fury thundering his help, Hughie pushed Parker away, and security quickly moved in to isolate the two contenders and stop a fight between the two groups.
The New Zealander is making the second protection of his WBO title in the wake of guaranteeing the empty belt with a focuses prevail upon Andy Ruiz Jr in December.
The two warriors convey unbeaten records into the battle, with Parker holding 23 triumphs, while Fury has an immaculate 20-battle record.