 He was well known for wearing a "pro cap" on his helmet which was used to reduce the risk of concussions.From 2006 until 2018, Kelso served as the color commentator for Buffalo Bills radio broadcasts on both WGRF 96.9 FM and WGR 550.He was the development director at Saint Mary's High School in Lancaster, New York, as well as its varsity football defensive coordinator, from the 2003 to 2010 seasons.