Question: Which retired American football player played defense for the 1983 Dallas Cowboys, and briefly left football in 1979 to pursue a career in boxing?
Sentence (from "Ed &quot;Too Tall&quot; Jones"): Ed Lee "Too Tall" Jones (born February 23, 1951) is a retired American football player who played 15 seasons (1974–1978, 1980–1989) in the National Football League (NFL) for the Dallas Cowboys.
Relevant evidence: No