Shell Houston Open Top 10 Player Power RankingsBySam Belden|Mar 27, 2016, 7:49 AM EDTShare on FacebookShare on XShare on RedditCopy ArticleAdd us as a preferred sourceMandatory Credit: Erich Schlegel-USA TODAY SportsPrev2 of 11NextMandatory Credit: Erich Schlegel-USA TODAY SportsPhil Mickelson is always a force to be reckoned with at the Golf Club of Houston.Next: Jordan SpiethAdd us as a preferred source on GoogleFollowNextHome/Fantasy Golf