Dubbed by the experts as'the exception",the veteran's data suggests he's fitter today than he was at the 2014 tournament in Brazil.
A fourth World Cup is within touching distance for a man whose Australian debut was delayed but who has become the greatest Socceroo.
FFA chief David Gallop has denied commercial incentives influenced the inclusion of the veteran in Australia's 26-man World Cup squad on Tuesday.
Despite playing only 63 minutes in the last six months the 38-year-old features in the preliminary Australian squad for the World Cup in Russia.
Tim Cahill has taken to Twitter to remind fans - and possibly the new Socceroos coach - of his World Cup value.
A violent conduct charge has robbed Cahill of much-needed game time ahead of the World Cup.
Socceroos forward Tim Cahill made a late cameo off the bench for Millwall,replacing countryman James Meredith with 13 minutes left.
Tim Cahill says the Socceroos have a chance to wipe the stain that has disfigured Australian sport by putting on a strong performance against Colombia.
Tim Cahill's inclusion in Australia's squad against Norway and Colombia was a nod to his historical importance but it would not guarantee him a World Cup spot.
A series of cameos for Millwall helped Tim Cahill get across the line for Bert van Marwijk's first Socceroos squad,but Jamie Maclaren was not so lucky.
Tim Cahill has lacked game time over the last three months,but says the quality of training at new club Millwall will be enough to realise his ambitions.