The former forward has commented on the midfielder who was recently released by Leeds, although it looks like he hasn't changed a bit...
But the midfielder was far from cautious when it came to his tackles.
Many watching - including several Leeds fan - commented on Twitter that Austin should have been sent off during Sunday night's final against Mexico. He wasn't, somehow...
And former Manchester City and Queens Park Rangers man Rodney Marsh also reacted to the midfielder's reckless display on social media:
Austin (Jamaica) should have had 3 yellows & 1 red card LOL...... poor ref, not his job to keep 11 aside— Rodney Marsh (@RodneyMarsh10) July 27, 2015
Austin was released by Leeds earlier this summer but opinion remains split on whether that was the right decision for the Whites.
After the final, meanwhile, Marsh reflected on the 'unit' and suggested he would rather play with the ex-Leeds midfielder than against him.
>He is a unit putting it about last night Rather play with him than against him https://t.co/gSVnE3M6Mm— Rodney Marsh (@RodneyMarsh10) July 27, 2015
Marsh isn't the only man to praise Austin on Twitter this summer, with Jamaica team-mate and Reading winger Garath McCleary declaring his bafflement at the fact the 30-year-old is currently a free agent.
But Austin's reckless performance in the Gold Cup final certainly shows the side of him that frustrated Leeds fans to no end at Elland Road. There's all or nothing in the challenge - and then there's Rudy Austin...