Playing linebacker and running back on the high school football team, he was a two-time first-team All-City selection, a second-team Division I All-Ohio selection, and the 1994 Toledo City League player of the year.

He earned three All-MAC selections and was a two-time MAC Defensive Player of the Year.

He was drafted by the Oakland Raiders in 1999 and was later signed by the Cincinnati Bengals in December 1999.

In June 2004 Armour was signed as a free agent by the British Columbia Lions and played for them in 2004 and 2005.

[2] On February 25, 2010, Armour announced his retirement after six seasons in the CFL, having spent three with the BC Lions.