Running back splits: In the first large team period of practice on Tuesday, the Cowboys ran 19 run plays on 53 total offensive snaps. The splits between the running backs went as follows: Javonte Williams – 6, Jaydon Blue – 4, Miles Sanders – 3, Deuce Vaughn – 3, Malik Davis – 2, Phil Mafah – 1

Dallas wide receiver Jonathan Mingo is likely to start the season on injured reserve because of a sprained posterior cruciate ligament in his right knee. A source told ESPN Mingo is looking at a recovery period of four to six weeks,