 Riley was a defensive assistant in Corvallis for eight years before moving on to the Canadian Football League in 1973 and became a head coach the following year.His eldest son Mike (b.1953) was the head coach at Oregon State for fourteen seasons and later at the University of Nebraska.Andros was hired as the head coach at Oregon State in February He replaced the legendary Tommy Prothro, who left after ten seasons in Corvallis for UCLA, just ten days after leading the Beavers in the Rose Bowl.