The star's official X account shared the following: "On April 10, our father Orenthal James Simpson succumbed to his battle with cancer. He was surrounded by his children and grandchildren. His family asks for privacy during this time of transition"

OJ Simpson was undergoing chemotherapy treatment for prostate cancer. 

Despite having an impressive football career, Simpson was best known for being accused of murdering his ex-wife Nicole Brown Simpson and her friend Ronald Goldman. 

The King's portrait caused controversy! The King's portrait caused controversy!

Many Black Americans celebrated his acquittal, seeing Simpson as a victim of the police. Simpson's legal team included prominent criminal defense lawyers Johnnie Cochran, Alan Dershowitz and F. Lee Bailey, who often outpaced the prosecution.

Simpson had previously revealed that he was battling cancer and had undergone treatment, and that he had beaten the disease and was happy and healthy. OJ was born on July 9, 1947 in San Francisco and became one of the most famous football players of all time.