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.

A trade-off between tooth size and jaw mobility has restricted fish evolution, Nick Peoples at the University of California Davis, US, and colleagues report in the open-access journal PLOS Biology .

Congrats to Jack Bieber who hauled in this monster catfish, from a private pond in Pine City, New York. The huge fish weighed in at a whopping 9 pounds and 29 ounces.

The heavyweight division, which also included Jack Dempsey, Gene Tunney and others, was packed with talent. And the sports public ate it up.