FRISCO — For the record: Cowboys head coach Brian Schottenheimer doesn’t pay attention to your 53-man roster projection. Not yours, not ours, not anyone’s. He does know of their existence, however, and their inevitable inaccuracies.

The Atlanta Falcons worked out a few free-agent edge rushers this past week before opting to sign former third-round pick Ronnie Perkins to their 90-man roster. The team also hosted Ron Stone and Khalid Duke on free-agent visits, per the NFL's transaction wire.

The Cowboys running backs room is getting reinforcements, since rookie Jaydon Blue returned to practice Tuesday. Blue is expected to get his first game reps Friday against Atlanta.

Dallas hosts the Atlanta Falcons at AT&T Stadium in a nationally televised game on the NFL Network. Kickoff is set for 8:00 p.m. ET. MORE: 3 Dallas Cowboys who need a strong showing in preseason finale Entering Friday night's NFC showdown,