Christopher Alan Burke is an American former Major League Baseball player, playing primarily for the Houston Astros, though he also played for the Arizona Diamondbacks and San Diego Padres. He is best remembered for hitting a series-ending walk-off home run in Game 4 of the 2005 National League Division Series.

The Arizona Diamondbacks are an American professional baseball team based in Phoenix, Arizona. The Diamondbacks compete in Major League Baseball (MLB) as a member of the National League (NL) West Division. The franchise was established on March 9, 1995, and began play in 1998 as an expansion team. The team plays its home games at Chase Field. Along with the Tampa Bay Rays, the Diamondbacks are one of the newest teams in MLB and are the youngest team to win the World Series.