Björn Borg, the 69-year-old tennis legend, has been diagnosed with prostate cancer.
## What happened to Björn Borg?
He underwent surgery to have his prostate removed after his cancer had worsened, as reported on September 4, 2025.
The news was revealed in his upcoming autobiography *Heartbeats*, set to be released on Tuesday, September 23.
## Why it matters for Björn Borg
Borg's memoir will discuss his sensational career as "one of the most talented players to ever step onto a tennis court", including his eleven Grand Slam titles.
He earned five consecutive Wimbledon titles and established himself as one of the greatest of all time.
Borg will share insights into his rivalry with John McEnroe and their legendary 1980 Wimbledon final.
## What comes next for Björn Borg?
The book was written with the help of his wife, Patricia Östfeldt, whom Borg has been married to since 2002.
Borg opened up about his shockingly early retirement at age 26 in 1983, saying he was "very happy as a player, but the motivation was not there".
He played in one tournament in 1983 and another the following year, before returning to the sport in 1991 for three more years.
Borg's brief hiatus ended with his return to tennis, but he never again won a tennis title.
The tennis star's memoir promises to be a candid and page-turning transcript of his life and career.
Borg's story will highlight his uncomfortable relationship with fame and the highs and lows of his unmatched career.
As Borg prepares to share his story with the world, fans are eagerly awaiting the release of *Heartbeats*.
The memoir is set to provide a unique glimpse into the life of a tennis legend, including his childhood and early stardom.
Borg's journey is one of triumph and adversity, and his story is sure to inspire and captivate readers.
With the release of *Heartbeats* just around the corner, Björn Borg is ready to share everything with his fans.