INGLEWOOD, CA - SEPTEMBER 13: Head coach Sean McVay of the Los Angeles Rams hugs Jalen Ramsey #20 after they defeated the Dallas Cowboys 20-17 at SoFi Stadium on September 13, 2020 in Inglewood, California. (Photo by Kevork Djansezian/Getty Images) The NFL on Monday reminded team personnel on the sidelines about the COVID-19 requirements for wearing face coverings, saying such carelessness or disregard could put the season “at risk.”There were several games Sunday in which team members other than players did not use face coverings.Troy Vincent, who oversees the league's football operations, sent a memo to the 32 clubs.