McIntyre played in 44 games at West Virginia, primarily as a defensive end and linebacker.

McIntyre was re-signed to the Eagles' practice squad on December 10, 2002, and allocated to the Frankfurt Galaxy to participate in the 2003 NFL Europa season on January 30, 2003.

In Europe, he helped his team make it to the World Bowl and, in that game, had 12 carries for 76 yards.

The New Orleans Saints signed McIntyre in September 2006 after injuries to two of their fullbacks in the first week of play.

McIntyre was signed by the Buffalo Bills on September 30, 2008, after the team released fullback Darian Barnes.