The 16-year-old sports gear from both teams in the video clip, which was shot at Angels Stadium in Anaheim, Calif.
The game will take place in Arlington, Texas. Kelly Clarkson, a former "American Idol" champion, will sing the national anthem in her home state.
The best-of-seven series is between the Texas Rangers and the San Francisco Giants. The Giants won the first two games of the series in San Francisco.
The song is from the platinum-selling singing sensation's upcoming acoustic CD, due out on Nov. 23.
The Associated Press contributed to this report.