Biography
Clay C. Christiansen (born June 28, 1958 in Wichita, Kansas) is a retired Major League Baseball pitcher. He played during one season at the major league level for the New York Yankees. He was drafted by the Yankees in the 15th round of the 1980 amateur draft. Christiansen played his first professional season with their Class-A (Short Season) Oneonta Yankees in 1980, and his last with the Houston Astros' Triple-A Tucson Toros in 1988. http://en.wikipedia.org/wiki/Clay_Christiansen
