User blog comment:Juraquille Mihawk/Rayleigh, your era is over./@comment-2210898-20110318144500/@comment-3362155-20110319000457

No,He didn't attend Roger's execution because he knew that Roger surrendered to the marines and he respected his captain's decision.Just like Zoro and the whole straw hat.Even if they are against Luffy's orders.They respect their captain's decision and without complaining,except for USOPP.