Certain jockeys on the program can be interesting also. Because he has become such a great detective story writer, former jockey Dick Francis is interesting to more than just racing afficionados. Jockeys, like race car drivers and golfers have avid followers. Items from defunct race courses are of interest to local history collectors but items from the Cuban race course which Castro confiscated are of interest to not just the racing community but the Miami and Cuban collectors. Certain race courses like Hialeah produced too many cards, especially of flamingos, so they have low value.
Sportsmanship assumes that the opponents are evenly matched or a handicap is given.
Mohammed Ali is still in great demand, but he signed a lot of stuff so it will be a while before it goes up significantly in price. For some reason, golfers hold their own even after semi-retirement. Perhaps, because it is such a civilized sport, no age restrictions, no physical contact, no one dressed like they were refugees from a war zone, and everyone acts with a sense of decorum. At a baseball game the visiting team is booed, called all types of names and most people are too busy eating overpriced hot dogs, spilling beer on their neighbors, and doing the wave, to watch the game. There is a major fluxuation in the sports collecting field which investors, even more than collectors, need to keep an eye on.