Edgy MD wrote: Arizona had a twitter poll about who had the best cameo on Seinfeld --- Keith Hernandez, Buck Showalter, Paul O'Niell, or Danny Tartabull. Keith won 88% of the vote, and the other guys split the remaining 12. #SorryYankeeFans No contest. Tho I think what Keith did there in that classic episode was much more than a cameo.