 These included Bob Champion's run on Aldaniti in 1981 after recovering from cancer, 100/1 outsider Foinavon's win in 1967, and the three-times winner Red Rum in 1973, 1974 and 1977.He also commentated on the 1993 Grand National, which was declared void after 30 of the 39 runners failed to realise there had been a false start, and seven went on to complete the course.As the runners approached the second-last fence in the so-called "race that never was", O'Sullevan declared it "the greatest disaster in the history of the Grand National."