Aldrich Potgieter is tied for the first-round lead with Kevin Roy at the Rocket Classic at Detroit Golf Club.

NBC — PGA Tour Champions: The U.S. Senior Open Championship, Third Round, Broadmoor Golf Club (East Course), Colorado Springs, Colo. 3 p.m.

PGA Tour 'mules' meet their new, fearless leader, CEO Brian Rolapp, and this is what went down behind closed doors.