Dallas Cowboys head coach Mike McCarthy spreads his arms while taking a break with his team during an NFL football training camp in Frisco, Texas, Monday, Aug. 24, 2020. (AP Photo/LM Otero)

Dallas Cowboys owner Jerry Jones, left, greets defensive end Everson Griffen during NFL football practice in Frisco, Texas, Friday, Aug. 21, 2020. (AP Photo/LM Otero)

Dallas Cowboys wide receiver Amari Cooper (19) kneels while taking a break from a drill at NFL football practice in Frisco, Texas, Friday, Aug. 21, 2020. (AP Photo/LM Otero)

Dallas Cowboys quarterback Dak Prescott (4) hands off to running back Ezekiel Elliott during an NFL football training camp in Frisco, Texas, Monday, Aug. 24, 2020. (AP Photo/LM Otero)

Dallas Cowboys offensive coordinator Kellen Moore talks to quarterback Dak Prescott (4) during an NFL football training camp in Frisco, Texas, Sunday, Aug. 23, 2020. (AP Photo/Michael Ainsworth)

Dallas Cowboys wide receiver CeeDee Lamb (88) catches a pass during an NFL football training camp in Frisco, Texas, Sunday, Aug. 23, 2020. (AP Photo/Michael Ainsworth)