Julio Franco hit .300/.376/.444 in his age-42 season in 101 PAs, whiles Bonds hit .276/.480/.565 in his age-42 season in 477 PAs. That means Bonds was approximately 28% better than Franco in both OBP and SLG in almost 5x the plate appearances. For their careers, Franco was a .298/.365/.417 hitter while Bonds was a…