Brad Gregory Ziegler is an American former professional baseball pitcher. He pitched in Major League Baseball (MLB) for the Oakland Athletics, Arizona Diamondbacks, Boston Red Sox, and Miami Marlins. Ziegler was one of the few Major League pitchers to throw with a submarine delivery.

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.