Original sentence: Unlike the two horses ranked ahead of him, Citation was not retired at the end of his three-year-old season; at that time, his record stood at 27 victories in 29 races with two close seconds
Edited sentence: There are many who feel that Citation would have been ranked #1 if he had been retired at the end of his three-year-old season, when his record stood at 27 victories in 29 races with two close seconds