The Cowboys have $37.6 million in effective cap space, the 10th-most in the NFL, after an active free agency run

The number behind the starter can quickly become just as important, a lesson the Dallas Cowboys learned during the Tony Romo years and, more recently, during the Dak Prescott era. MORE: Updated list of Cowboys NFL Draft picks after free agency's first week While Dallas is not overly concerned about the position with Prescott returning from a season-ending hamstring injury,

Rush had spent nearly his entire NFL career backing up Dak Prescott. Now he'll join an AFC contender and sit behind 2x-league MVP Lamar Jackson.

The Dallas Cowboys’ newest free agent addition, wide receiver Parris Campbell, falls into the latter category of lessons.  Once upon a time Campbell was one of the hottest prospects in the draft.

Despite being more active in free agency this year than last year, with the team signing or acquiring five former first-rounders at low value, one move that shows the front office continues to operate with the same strategy was the signing of wide receiver Parris Campbell.

Parris Campbell is headed to Dallas, the Cowboys announced Saturday. The deal is for one year, per multiple reports. The Cowboys will be the fourth team for Campbell in the past four seasons, his third in the NFC East.