Dallas Cowboys quarterbacks coach Doug Nussmeier, Dallas Cowboys quarterback Garrett Gilbert (3) lead the way as Dallas Cowboys quarterback Ben DiNucci (7) and Dallas Cowboys quarterback Cooper Rush (10) make their way onto the field during NFL football practice in Frisco, Texas, Wednesday, Nov. 4, 2020. (Vernon Bryant/The Dallas Morning News via AP)

FILE - In this Aug. 29, 2019, file photo, Dallas Cowboys' Cooper Rush warms up before a preseason NFL football game against the Tampa Bay Buccaneers in Arlington, Texas. The Cowboys will have their fourth different starting quarterback of the season against undefeated Pittsburgh with Andy Dalton unavailable because of COVID-19 protocols. Coach Mike McCarthy said Wednesday he was benching rookie Ben DiNucci in favor of either Garrett Gilbert or Cooper Rush. Gilbert and Rush will compete for the job in practice, and one will start Sunday at home against the Steelers (7-0). (AP Photo/Ron Jenkins, File)

Dallas Cowboys' Garrett Gilbert (3) warms up before an NFL football game against the Philadelphia Eagles, Sunday, Nov. 1, 2020, in Philadelphia. The Cowboys will have their fourth different starting quarterback of the season against undefeated Pittsburgh with Andy Dalton unavailable because of COVID-19 protocols. Coach Mike McCarthy said Wednesday he was benching rookie Ben DiNucci in favor of either Garrett Gilbert or Cooper Rush. Gilbert and Rush will compete for the job in practice, and one will start Sunday at home against the Steelers (7-0).(AP Photo/Rich Schultz)