[1][2] At UC Riverside, Walsh was a backup quarterback with the Highlanders and majored in history.

He then was head coach at Moreau Catholic High School in Hayward, California from 1981 to 1985.

[2] In 1986, Walsh moved up to the college level as defensive coordinator and linebackers coach at Santa Clara.

[3] After two seasons as offensive coordinator, Walsh became head football coach at Sonoma State University in 1989.

[5] On February 16, 2007, Walsh left Portland State to become offensive coordinator and quarterbacks coach at Army under Stan Brock.