Mark Christopher Lowe (born June 7, 1983) is an American professional baseball relief pitcher in the Seattle Mariners organization. He has played in Major League Baseball (MLB) for the Seattle Mariners, Texas Rangers, Los Angeles Angels of Anaheim and Cleveland Indians. He bats left-handed and throws right-handed. His fastball has been clocked as high as 101 mph. He also throws a slider and a circle changeup.