'Should go into the Hall of Fame': Jim Courier heaps enormous praise on Aussie coaching genius
Jim Courier has pushed for Darren Cahill to be inducted into the International Tennis Hall of Fame, as the legendary coach eyes off another grand slam title.
The 59-year-old has been instrumental in the rise of Jannik Sinner, which culminated 12 months ago with his breakthrough major at the Australian Open.
Since then, Sinner has gone on to dominate on the tour, clinching last year's US Open, with a second-straight triumph at Melbourne Park also in his grasp.
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At the forefront of the Italian's dominance has been Cahill - the coaching genius who has helped a plethora of stars during his career.
Darren Cahill during the Australian Open. Getty
Cahill was in the corner of Lleyton Hewitt when he became the best player in the world, before aiding Andre Agassi to become the oldest world No.1 in the tour's history.
Now alongside Sinner, who is seemingly on a collision course with greatness, Cahill's legacy has started to be discussed.
"Darren Cahill should go into the Hall of Fame when all of this is over," Courier said on Wide World Of Sports' The Morning Serve.
"His coaching credentials are that good, so many No.1s that he has produced.
"Jannik Sinner is another one and it's remarkable to see the changes that he and Simone Vagnozzi, the co-coach, have made. The technical changes, as well as the tactical adjustments and how he has become this full-fledged player.
"He had areas that you could get to and he's really closed all of those off."
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Sinner has battled illness concerns during his Australian Open title defence, but has still managed to make his way through to Sunday night's final against Alexander Zverev.
John Millman credited the 23-year-old Italian for recognising there were areas that needed help and calling on the Aussie mentor to shake things up.
Jannik Sinner has endured a tough couple of weeks in Melbourne. AP
"It's a constant cycle of improvement there whenever you see Darren Cahill," he said.
"I think a bit of credit has to go to Jannik Sinner, he had a really good partnership with Riccardo Piazzi, his long-time coach, but he wanted to get a little bit better.
"He put together a different team that has obviously had so much success.
"They are working on his net game, which is still a skill that he is developing. It's kind of scary to think that Jannik Sinner is No.1 in the world and there's a fair bit more upside."