Both the PlayStation Network and Xbox Live have received some big updates for boxing simulation Fight Night Round 4 in a new “Champions Pack.”

It adds Evander Holyfield, Sonny Liston and Bernard Hopkins as playable boxers and there are two new game modes: Old School Rules and Ring Rivalries. The content went live December 2009 but the Xbox 360 Champions Pack began freezing consoles immediately. EA Sports then pulled the pack until those issues were fixed.

If you downloaded the broken content, your Xbox Live account retains your purchase data and you won’t need to pay for it again.

Only in America, fight fans. Only in America.

VideoGamer tells us 2K Sports will bring Don King Boxing to Nintendo’s Wii and DS systems March 27, 2009. 2K says the game will make heavy usage of the Wii balance board to mimic the real life motions of boxing. It isn’t necessary to play that way, however, as the game can be played without the balance board.

The company also says that the use of the balance board will give gamers a…