Columnist Andrew Caulfield examines Tribal Rule, the sire of last weekend's GII San Felipe S. winner Georgie Boy, and other stallions like him, who underachieved at the racetrack relative to their pedigrees, but who have gone on to be successful and in some cases very important sires. Tribal Rule, a sprint sensation for Pam and Marty Wygod, retired to stud in 2003 and has just 32 named two-year-olds this season.
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