Challenge Games has announced the Golden Age of Baseball Sweepstakes promotion for Baseball Boss to coincide with the release of the 1957 card sets this weekend. The sweepstakes runs from Octomber 11 to November 17. The Golden Age of Baseball Sweepstakes offers baseball memorabilia and other prizes from the 1957 era. The first prize winner will receive a Mickey Mantle autographed baseball, the second prize winner gets an autographed Stan Musial baseball bat and four third place prize winners will receive $25 gift cards to the MLB.com Shop. More information on the promotion can be found on this Baseball Boss page.