According to the 2017 top earning list of Australian athletes, former world number one golfer Jason Day would be the closest to cracking the list, having earned AU$18.9m a year ago.
Salaries and prize money are up significantly, but endorsement earnings fell for the second straight year to $ 877 million as companies watch their sports marketing budgets.
Conor McGregor also benefitted from the historic fight last August, as the Irish MMA athlete jumped to fourth spot with a reported $99 million earnings of which $85 million came in winnings/salary.
Three mega stars of Formula 1 have unsurprisingly made it to Forbes 2018 Top 100 highest-paid athletes list, and the names are equally predictable.
"Boxing's biggest night of 2017 helped Mayweather and McGregor earn almost $400m combined", said Kurt Badenhausen, senior editor at Forbes Media.
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Real Madrid forward Cristiano Ronaldo was the highest paid athlete the two previous years. "But basketball players dominate the top 100 overall thanks to a soaring salary cap triggered by the NBA's $24 billion TV contract".
NBA star LeBron James is the highest-paid basketball player to feature on the list, coming in at sixth rank with total earnings of $112 million, just ahead of Roger Federer, who earned $102 million. There are no hockey players on the list. However, Kohli's earnings are less than one-fourth of Mayweather, who earned $285 million in the same period.
There were four Boston-based athletes on the list, led by Irving at $36.1 million.
Between them, the top 100 earned a collective $3.8bn during the past 12 months, which represents an increase of 23% from 2017.
Atlanta Falcons quarterback Matt Ryan is the highest earning National Football League player, coming in at ninth with $88 million. However, that was about $5 million less than National Basketball Association player Nicolas Batum, who landed the 100th spot on the list.