The new arrival at Hunter Stadium and one of the champions' crowd favourites did the damage as A-League teams continue their preparations for the 2014-15 campaign
Jeronimo Neumann made a superb debut for the Jets while the Roar and the Wanderers also tasted success on Tuesday night.
The Argentine became an instant fan-favourite with an exciting all-round display in the 8-1 demolition of the Weston Bears at Rockwell Automation Park.
Despite going behind to an early Connor Evans goal, the Jets eventually found their groove – and their eye for goal.
Joel Griffiths and Kew Jaliens both struck before the break before it became the ‘Jeronimo-show’ in the second half.
The former Adelaide United man scored four times in a sublime 23-minute period, showing just why Jets coach Phil Stubbins was desperate to bring him to Hunter Stadium.
An own-goal by Weston defender Shane Farmer and a stoppage time striker from Nick Ward completed the rout.
The Jets weren't the only A-League side among the goals on Wednesday night, with champions Brisbane Roar FC also winning 8-1.
Grand final hero Henrique was the star, netting four times as the defending champions dismantled local side Moreton Bay United.
Thomas Broich warmed up for the A-League All Stars clash with a brace, while Dimitri Petratos and an own-goal completed the scoring.
It was a lot tighter at Deakin Stadium as the Wanderers continued their build-up to the ACL quarter-final with a tough 1-0 win over Canberra United.
It was youngster Jaushua Sotirio’s first-half goal that settled the contest, the winger unleashing a powerful finish low, across the keeper into the bottom corner.
Wanderers boss Tony Popovic used the clash to have a look at trialists Steve Kuzmanovski and former Adelaide United attacker Jake Barker-Daish.