Sage played as a tight end for the Sacramento City College football team in the 1998 and 1999 seasons.
At Wyoming, Sage mentored future NFL Draft pick Robert Herron.
In his inaugural season at UCLA, Sage mentored future NFL Draft pick Caleb Wilson, who led the nation's tight ends in receptions per game, receiving yards per game, and total receiving yards.
[1] Following the 2021 season, Sage joined Ken Wilson's inaugural staff at Nevada as the offensive coordinator.
[2] Following the 2023 season, Sage was hired to be the Tight Ends coach at the University of Toledo under Jason Candle.