Playing a longshot takes a mixture of trust and a hunch.
In most cases, there are more reasons to stay away from these horses than to bet them, so you have to have some faith in your instincts that there are valid reasons for a horse to do an about-face and turn in a surprisingly strong effort.
A good example can be found in the second race at Gulfstream Park on Dec. 15, a $35,000 claiming race held on the turf at five furlongs.