Troisi hasn't featured for Australia since November 2015, but has made a compelling case as a bolter in coach Ange Postecoglou's extended 30-man squad, to be named on Wednesday, for the upcoming World Cup qualifying clashes against Iraq and the UAE.
After enduring a rough stint overseas and a broken collarbone on return to the A-League, the 28-year-old has rediscovered his eye-catching pace and intelligence in Melbourne Victory's attacking midfield, which would make him an excellent replacement for injured playmaking wizard Tom Rogic.
Postecoglou has signalled his intent to include more A-League players in his squad for the March 24 (AEDT) Iraq game in Tehran and March 28 fixture against UAE in Sydney.
Alex Wilkinson's superb form in Sydney FC's central defence may be enough for a second coming, while midfielder Josh Brillante's tireless work doesn't hurt his chances for a first gig since 2014.
Perth right-back Josh Risdon was benched in favour of Milos Degenek for November's worrying 2-2 draw against Thailand but again shapes as a potential for the problematic position, with Melbourne City's Ivan Franjic another possibility and Sydney's Rhyan Grant an outside shot.
Tim Cahill is expected to play a role despite concerns about the 37-year-old's durability that saw the veteran striker omitted from the Thailand match.
Especially given the limited front-third options - Mathew Leckie's international goal drought continues and Apo Giannou, Robbie Kruse and Nathan Burns are only just starting their seasons in Asia.
Tomi Juric is still returning from a knee injury but found timely form with a brace for FC Luzern last week, while A-League pair Jamie Maclaren and Adam Taggart could also figure thanks to their recent goal exploits.
Postecoglou will watch his squad in action this weekend before whittling it down to a final 23 early next week.
It comes after the coach expressed alarm over some of his players' individual ambitions since Australia's Asian Cup triumph, noting "there hasn't been a hell of a lot of progress" since Troisi scored his famous extra-time winner against South Korea.
The exception is Aaron Mooy, who wasn't called up until after the tournament but is now starring on loan with English Championship side Huddersfield Town so brightly that Manchester City manager Pep Guardiola described the 26-year-old as "amazing".
Australia sit third in their qualifying group and have five matches to secure a top-two finish and automatic qualification for Russia 2018.