NFL further limits player access to facilities amid virus

San Francisco 49ers cornerback Richard Sherman takes off with the ball during NFL football practice near State Farm Stadium, home of the Arizona Cardinals, Thursday, Dec. 3, 2020, in Glendale, Ariz. The 49ers are on a three-week road trip after being forced from their stadium and practice facility because of strict new COVID-19 protocols in their home county in Northern California. (AP Photo/Ross D. Franklin)

Philadelphia Eagles' Rodney McLeod walks the field before practice at the NFL football team's training facility, Thursday, Nov. 19, 2020, in Philadelphia. (AP Photo/Matt Slocum, Pool)