If Parker bowls well the rest of the season, he'll make the top 50 with no problem.
There are a couple of spots each week reserved for people other than the exempt guys (somewhere around 6, I believe), but no one guy is going to get the Commissioner's Exemption (for example) each week. The exemptions are designed to allow a local pro or two, the pro-am winner, and maybe guys like Holman and Petraglia to bowl when the tour comes to their locale.
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seadrive
Cogito ergo bowl