Nadal first signed with Nike at the age of 13, where he earned just $500,000 over five years. In 2008, he signed a 10-year contract extension worth over $10 million per year. In 2018, another five-year extension was signed for $10 million per year, according to Yahoo Sports.

Long gone are the days when Roger Federer and Rafael Nadal were fierce, fight-to-the-finish rivals on a tennis court. That rivalry was replaced with affectionate respect when Nadal joined Federer’s career finale in 2022 and now,

"You challenged me in ways no one else could," 20-time Grand Slam champion Roger Federer wrote as Rafael Nadal prepares to retire after Davis Cup.