Complex sentence: John Martin Pitts (born February 28,1945 in Birmingham, Alabama) was an American football defensive back in the NFL for the Buffalo Bills, Denver Broncos, and the Cleveland Browns.
Split into simpler sentences: John Martin Pitts (born February 28,1945 in Birmingham, Alabama) is a former American football defensive back. He played in the American Football League for the Buffalo Bills and in the National Football League for the Buffalo Bills, the Denver Broncos, and the Cleveland Browns.