Roger Lee Slagle (born November 4, 1953 in Wichita, Kansas) is a retired Major League Baseballpitcher. He played during one season at the major league level for the New York Yankees. He was drafted by the Yankees in the 1st round (19th pick) of the secondary phase of the 1976 amateur draft. Slagle played last professional season with the Yankees' Double-A Nashville Sounds in 1982.