Complex sentence: Daniel Edward O'Leary (born September 1,1979 in Cleveland, Ohio) is a former American football tight end in the National Football League for the Buffalo Bills, the New York Giants, and the Pittsburgh Steelers.
Split into simpler sentences: Daniel Edward O'Leary (born September 1,1979 in Cleveland, Ohio) is a former American football tight end in the National Football League. He played for the Buffalo Bills, the New York Giants, and the Pittsburgh Steelers.