Marshall Foch Robnett was a professional football player in the National Football League. He played professionally from 1943 until 1945 for the Chicago Cardinals and was included on their merged team with the Pittsburgh Steelers, known as "Card-Pitt", in 1944. Marshall was also the older brother of Ed Robnett, who also played at Texas A&M. He was also a pro football player, however Ed played in the All-America Football Conference for the San Francisco 49ers in 1947.