On This Day: Heavyweight boxing legend Jack Dempsey headlined boxing’s first $1 million gate against a decorated World War I veteran. Jack Dempsey inspired many boxing icons to pursue the ‘Sweet ...

Undisputed Update 1.4 adds Jack Dempsey, Jack Johnson, and Damian Chambers to the game's roster. Johnson and Dempsey join the Heavyweight class, while Chambers joins the Cruiserweights.