When Tyler Guyton went down with a knee injury on July 28, the Cowboys initially thought his season was over because of a torn ACL. Instead, he was diagnosed with a broken bone in his knee, and there is a chance he will be available for the opener.

DiNucci, a seventh-round draft pick by Dallas in 2020, played in three NFL games, including one start, in his rookie season.

Mingo said he injured the knee while catching a sideline pass in Saturday’s second preseason game, a loss to Baltimore.

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,

Wide receiver Jonathan Mingo will miss upwards of a month with a sprained PCL suffered in Week 2 of preseason.