Marcus Jensen, American baseball player and coach
Marcus Christian Jensen (born December 14, 1972) is an American professional baseball player and coach. He played as a catcher for the San Francisco Giants, Detroit Tigers, Milwaukee Brewers, St. Louis Cardinals, Minnesota Twins, Boston Red Sox and Texas Rangers in Major League Baseball (MLB) from 1996 through 2002. After retiring as a player, Jensen coached and managed in the minor leagues. In 2015, he was the coach for the Oakland Athletics of MLB.