Shell Houston Open Top 10 Player Power RankingsBy Sam Belden | Mar 27, 2016Mandatory Credit: Erich Schlegel-USA TODAY Sports / PrevPrev2 of 11NextNextMandatory Credit: Erich Schlegel-USA TODAY Sports / Phil Mickelson is always a force to be reckoned with at the Golf Club of Houston.Next: Jordan SpiethNextHome/Fantasy Golf