Kylian Mbappe may be about to become the most expensive footballer of all time – but in the United States two financial records have just been smashed.
Jaylen Brown has signed the richest deal in NBA history, agreeing a $304m (£236.8m) contract to remain at Boston Celtics, according to reports.
Meanwhile, Justin Herbert’s new five-year, $262.5m (£203.6m) extension with the Los Angeles Chargers will make him the NFL’s highest-paid quarterback by annual salary, insiders say.
Brown’s five-year Celtics contract exceeds reigning NBA Finals Most Valuable Player Nikola Jokic’s $264m (£204.9m) deal at Denver Nuggets, which he signed last summer.
The two-time All-Star, 26, averaged career bests in points (26.6), rebounds (6.9) and assists (3.5) during 2022-23 as Boston reached the Eastern Conference finals.
Brown, the third pick in the 2016 NBA draft, will earn $28.5m (£22m)…