notable pitchers who have been known to throw the palmball include steve farr, robinson tejeda, ed whitson edwar ramírez, dave giusti, bob stanley, orlando hernández, randy martz, reliever tony fiore, bryn smith, kenneth brown and 1990s reliever joe boever. philadelphia phillies and former toronto blue jays ace roy halladay was known to have thrown a palmball early in his career, though he rarely used it later on.