Former World No. 1 Kim Clijsters has hailed LeBron James' incredible work ethic over the years. The basketball legend is expected to compete in his 23rd season as a professional athlete this year.

https://www.sportskeeda.com/tennis/news-kim-clijsters-extends-support-lebron-james-lakers-star-pens-heartfelt-note-relentless-work-ethic-years

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