Donald Richard Colo (January 5, 1925 – June 23, 2019) was an American football defensive tackle who played nine seasons in the National Football League (NFL). He was born in East Bridgewater, Massachusetts.
Donald Richard Colo (January 5, 1925 – June 23, 2019) was an American football defensive end who played nine seasons in the National Football League (NFL). He was born in East Bridgewater, Massachusetts.

The change from "tackle" to "end" is a synonymic replacement, as both positions are part of the defensive line in American football.