Complex sentence: In January, game publisher 2K Sports announced that last year's contest will return, where players have a chance to win $1,000,000 for pitching a perfect game on the Xbox 360 or PS3 versions of the game.
Split into simpler sentences: In January, game publisher 2K Sports announced that they would continue a contest from the previous year. Players had a chance to win USD $1,000,000 for pitching a perfect game on the Xbox 360 or PS3 versions of the game.