The top 100 includes athletes from 25 countries and their $4bn (£3,1bn) combined earnings are up 5% from the previous year when Mayweather was first with $285m (£224m).
Jason Roy's collision with umpire delays century celebrations
Paul Farbrace believes Jason Roy's dazzling white-ball form has propelled the opener into contention for the Ashes. His 119-ball innings, featuring 12 fours and a six, ended when his stumps were splattered by a Ben Stokes yorker.
However, McGregor not only kept his status as the highest earner from the sport of mixed martial arts, he was also the only MMA fighter to make it into the Top 100.
Formula One driver Lewis Hamilton and boxer Anthony Joshua (both at $US55 million) were the highest-earning British athletes.
The list, which has been published annually since 1990, was created by the well-known American business magazine and takes into account endorsements, money and salaries garnered by athletes between the period of June 2018 and June 2019 to get an accurate reading for the ranking.
G-20 finance officials pledge to protect global growth
Treasury Secretary Steven Mnuchin says he held a constructive meeting with the head of China's central bank and that their discussion on trade issues was "candid".
Canelo, who defeated Gennady Golovkin last September to become the unified middleweight champion, inked a very lucrative deal last October, signing a five-year 11-fight contract with streaming network DAZN worth $365 million. He earned $7.4 million in salary/winnings, but picked up a colossal $86 million in endorsements, the most of any athlete on the list.
LeBron James earned $89m in total with Stephen Curry having made $79.8m and Kevin Durant $65.4m.
Los Angeles Lakers star LeBron James was the highest earning National Basketball Association player, with $89 million, while Golden State's Stephen Curry was ninth with $79.8 million.
French Open trophy gaffe gives Australia another champion
Former tennis star Sue Barker was served an injustice after her nationality was assigned incorrectly on the French Open trophy. Barty's breakthrough win at the French Open provides an opportunity to change this pattern of media coverage .