FRISCO, Texas — With only a few days remaining before the Dallas Cowboys take the field to begin their season with a massive test against the Philadelphia Eagles, the 53-man roster and 17-man practice squad are mostly set, even if the concrete isn't completely dried as of yet — leaving only jersey numbers to be ironed out, such as for rookie running back Jaydon Blue.

More on that, and others, in a moment.

A quick reminder that, throughout the offseason, the Cowboys and the other 31 NFL teams are permitted to duplicate numbers as long as one of them is assigned to offense and the other to defense. That led to players like undrafted free agent Traeshon Holden sharing No. 7 with All-Pro cornerback Trevon Diggs, as one example.

None of the changes are as meteoric as that of DeMarvion O

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