Ol’ Roy and his wife, Wanda, donated more than $600,000 to fund scholarships for UNC seniors who had their seasons cut short. But he’s long been a stealthily generous donor to his school and its student-athletes.

In October 2016, I was sitting at the end of a wooden bleacher in the stuffy Koury Natatorium at the University of North Carolina. My middle child, Clayton, was competing for Georgia in his first collegiate swim meet against the Tar Heels.

A few minutes into the meet, a silver-haired man walked in and sat down a couple of rows in front of me. It was Roy Williams.

It was a short commute for Williams, since the Heels’ basketball palace, the Dean Smith Center, is just across the sidewalk. Still, the sight was surprising — swim meets are friends-and-family events. You just don’t get a lot of casual fans dropping in.

But here’s the thing: Ol’