Zach Johnson has his troubles at PGA ChampionshipSHEBOYGAN, Wis. (AP) The ''other'' player in the PGA Championship's power threesome pretty much played like it Thursday. Zach Johnson struggled to find theSI Staff|Share on FacebookShare on XAdd us as a preferred sourceZach Johnson has his troubles at PGA ChampionshipAdd us as a preferred source on GoogleFollowLoading recommendations... Please wait while we load personalized content recommendationsPublished Aug 14, 2015 | Modified Aug 14, 2015SI STAFFShare on FacebookShare on X