Two of the NBA’s greatest players once raced across the country in their luxury sports cars.

Boston Celtics legend Bill Russell made the revelation in a tweet Wednesday when a fan asked him what kind of Lamborghini the Hall of Fame center was driving in the 1970s.

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Russell replied to the fan and also revealed that he and Wilt Chamberlain raced across the country.

“.@Lamborghini 400GT. If the seat was all the way back I could not touch the pedals. I used to race Wilt in his @Maserati_HQ Ghibli.  Don’t ask who won, you know the answer," Russell replied.

He added: “Did I mention we raced across country.”

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Russell and Chamberlain were the biggest stars of the NBA during the late 1950s and throughout the 1960s. Russell was a 12-time All-Star, 11-time NBA champion, and five-time NBA MVP.

By comparison, Chamberlain was only a two-time champion, but put up some of the most impressive numbers the game has ever seen.

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In his dominant 1961-62 season with the Philadelphia Warriors, he averaged 50.4 points and 25.7 rebounds. He’s the only player in NBA history to score 100 points in a game. He won one title with the Philadelphia 76ers and another with the Los Angeles Lakers