The anthem debate is back. But now it’s standing that’s polarizing

San Francisco 49ers quarterback Colin Kaepernick kneels during the national anthem before a Sept. 25, 2016 game against the Seattle Seahawks. (AP Photo/Ted S. Warren, File)

Chicago Red Stars’ Julie Ertz, second from left, holds Casey Short, center, while other players for the team kneel during the national anthem before an NWSL Challenge Cup soccer match against the Washington Spirit at Zions Bank Stadium, Saturday, June 27, 2020, in Herriman, Utah. (AP Photo/Rick Bowmer)

A strange thing happened while most professional sports were away, shuttered by the coronavirus.