In the 04-05 season the suns also added quentin richardson who averaged 14.9ppg, helpin the suns spread the floor better along with the improved joe johnson who went from being a 30.5% 3p shooter to 47.8%. They also acquired jim jackson to come off the bench, another good 3pt shooter. That team was constructed better for nash then it was for marbury although i still say nash was/is a better leader for that team then marbury, you have to look at all factors when talkin about Amares increase in field goal percentage. Nash had somethin to do with it, but so did the suns as a team having more players to spread the floor. Nash didnt make as much of an impact as you think he made. Put nash on another team without all the offense and he wouldnt look as good, his assists would go down.