Pro Football Hall of FameDavis' steel-jawed grin during his photo shoot for his 1992 NFL Hall of Fame induction.The biggest shock of this weekend's NFL draft was the performance of the Oakland Raiders. (It might not have been quite as huge a shock, given that Al Davis, the longtime owner of the Raiders, may have lost his mind by this point.) The Raiders' first-round pick was surprising enough, when Davis declared the Raiders were taking Darrius Heyward-Bey, projected by most as the third- or fo