Cauley, who has never won on the PGA Tour, is in contention at the Memorial a year after he was badly injured as a passenger in a single-car accident near the tournament site.
The N.H.L., with a lower profile and fewer dead players than the N.F.L., has fought hard against mounting evidence of a connection between head injury and the degenerative brain disease C.T.E.
Two basketball impersonators, Brandon Armstrong and Maxim Peranidze, give their insights into the fledgling world of sports comedy that has brought them fame.