According to the documents, Reed claims Chamblee has a history of calling him a cheater.
An ill-timed double bogey resulted in Fred Biondi, Luke Gutschewski and Hugo Townsend sharing the honor.
The BMW Championship also is the final event to earn one of six spots on the U.S. team and eight spots on the International team for the Presidents Cup next month. Tony Finau has made the biggest moves of late, going from No. 11 to the sixth and final qualifying spot with his consecutive victories in Minnesota and Detroit. The leading five Americans are Scottie Scheffler, Patrick Cantlay, Sam Burns, Xander Schauffele and Justin Thomas.