PACHECO, Ferdie, (American, 20th C.): ''The Sultan of Swat'' Babe Ruth Warming up, Pencil Drawing, sight size is 19'' x 13.50'', signed lower left, framed 24'' x 18.50''. Ferdie Pacheco was the personal physician and cornerman world heavyweight champion for Muhammad Ali.as well as other boxing champions. He was known as ''The Fight Doctor'' and also a TV boxing analyst for several television networks in the late 70's (Wiki).. Provenance: Estate of Angelo Dundee, trainer for Muhammed Ali. Est. $600/900**