49ers playing out the string 1 year after Super Bowl run

Dallas Cowboys wide receiver Michael Gallup (13) catches a touchdown pass in front of San Francisco 49ers cornerback Richard Sherman (25) in the first half of an NFL football game in Arlington, Texas, Sunday, Dec. 20, 2020. (AP Photo/Ron Jenkins)

San Francisco 49ers head coach Kyle Shanahan watches play against the Dallas Cowboys in the first half of an NFL football game in Arlington, Texas, Sunday, Dec. 20, 2020. (AP Photo/Michael Ainsworth)

Dallas Cowboys cornerback Jourdan Lewis (26) sacks San Francisco 49ers quarterback Nick Mullens (4) in the first half of an NFL football game in Arlington, Texas, Sunday, Dec. 20, 2020. (AP Photo/Ron Jenkins)