Petterson and Davis Chase Masters Berth, Houston Open Win: A Fan's Take (Yahoo! Contributor Network)

Louis Oosthuizen leads the 2012 Shell Houston Open after 54-holes. At 17-under par overall, he will be paired with Hunter Mahan (15-under) in the last group for the final round on Sunday, April 1st. Oosthuizen and Mahan are already in the field for the 76th Masters Tournament,...