PGA Week Results = 0.00% ROI
ROI for Week = -5.10% ROI
Do a search for contests in higher dollar amounts from the contest you are playing. Some of the players will be in those contests. Others will not. The ones that are not are likely the less experienced of the experienced and are the players you want to focus on.
By focusing on the least experienced players this will maximize your ability to win. No need to play the best players if you don't have to.