Complex sentence: Frederick Hartley Graham (December 11,1900--August 29,1952) was a professional football player in the National Football League who played in 1926 with the Providence Steam Roller and the Frankford Yellow Jackets.
Split into simpler sentences: Frederick Hartley Graham (December 11,1900--August 29,1952) was an American football player. He played professionally in the National Football League (NFL) in 1926 with the Providence Steam Roller and the Frankford Yellow Jackets.