A rare piece of Grand Slam history has entered private ownership after Boris Becker’s 1989 US Open trophy sold for $357,546 at a specialised tennis memorabilia auction.

Boris Becker's 1989 US Open trophy sold for over $350,000 in a recent auction. It has become the second most expensive tennis ...

After Novak Djokovic's racket, this has become the second most expensive tennis collectible.

Boris Becker’s 1989 US Open men’s singles championship trophy sold for $357,546 (520 million won), US sports media ESPN ...