Huntington began his football career as a quarterback and safety at the University of Oregon. He was the critical player in Oregon's Rose Bowl upset over heavily favored Pennsylvania in 1917, throwing a touchdown pass and intercepting three passes on defense as the Ducks won 14–0.
Huntington took over as head coach for the Ducks in 1918, and he remained at the helm for six seasons. He finished with a 26–12–6 record. In 1919, he coached the Ducks to a Rose Bowl berth; they lost to Harvard, 7–6, on January 1, 1920.
He served as Oregon's baseball coach in 1919 and 1920, and he coached the basketball team for one season, 1919–20, achieving a record of eight wins and nine losses.