Shane Whittaker played under Coach Jeff Dufek and coach Desi at San Marcos High School. Shane was a three year letter, three year starter for the Knights. He was voted captain for one year. Freshman year he was awarded Offensive MVP, Sophomore year he was second Team All-League, Junior Year he was Second Team All-CIF, All-League Pitcher of the Year, Senior year, Second Team All-League, First no hitter in San Marcos High School. He also played freshman football.
Shane was born in Grossmont, California to Joh and Cristy Whittaker. He has two siblings: Chase and Katie Whittaker.