The Dallas Cowboys have already made multiple additions in free agency following the 2026 NFL Draft in order to help address the overall talent of the defense and some depth areas on offense. Following the draft, Dallas signed veteran wide receivers Marquez Valdes-Scantling and Tyler Johnson along with former San Francisco 49es linebacker Curtis Robinson. After a busy start to the free agent period and a successful draft, the Cowboys have a new-look roster, particularly on defense. But now, it appears the team could be on the verge of making yet another signing to the roster this offseason. And for new Cowboys defense coordinator Christian Parker, it's a familiar face. Dallas Cowboys Hosting Former Eagles CB Adoree' Jackson Philadelphia Eagles cornerback Adoree' Jackson reacts against the Los Angeles Chargers in the first half at SoFi Stadium.…