two massive NFL trades in June 2026 have fundamentally altered the Dallas Cowboys' upcoming season. The departure of star receiver AJ Brown from the Philadelphia Eagles to the New England Patriots provides a significant advantage for the Dallas secondary during divisional matchups. Conversely, the Los Angeles Rams' acquisition of elite defender Myles Garrett creates a formidable new obstacle for the Cowboys' offense late in the year. These high-profile roster shifts require the Dallas coaching staff to recalibrate their defensive schemes and game plans for key opponents. Ultimately, the article suggests that while one rival has been weakened, a new playoff contender has become much more dangerous.