Complex sentence: Richard Karekin Cunningham (born October 12,1944 in Boston, Massachusetts) was a former American football linebacker in the NFL who played for the Buffalo Bills, Houston Oilers, and Philadelphia Eagles from 1967 to 1973.
Split into simpler sentences: Richard Karekin Cunningham (born October 12,1944 in Boston, Massachusetts) was a former American football linebacker. He played in the American Football League for the Buffalo Bills and in the National Football League for the Buffalo Bills, the Houston Oilers, and the Philadelphia Eagles from 1967 to 1973.