Deron Williams is a former NBA All-Star and will be participating in a new sports in December.
According to The Athletic he may fight NFL running back Frank Gore.
ESPN reported Sayif Saud, Fortis MMA head trainer, would train Williams.
Williams was draftedThe Utah Jazz placed third in the 2005 NBA Draft from Illinois.
He has also played for the Dallas Mavericks and Cleveland Cavaliers.
He was awarded gold by Team USA at the 2008 and 2012 Olympics.
Williams retired from public life in 2017.