Duane Eugene Kuiper, nicknamed "Kuip", is an American sportscaster and former professional baseball player. As a player, he was a second baseman for the Cleveland Indians and San Francisco Giants of Major League Baseball (MLB). Except for one year, Kuiper has been a television and radio broadcaster for the Giants since 1986, and is one half of the popular "Kruk and Kuip" duo alongside his friend and former teammate Mike Krukow. He briefly left the Giants in 1993 to work for the expansion Colorado Rockies, but returned in 1994.