Hightower is week-to-week after leaving Thursday's practice with a groin injury, the Eagles' official site reports.
It remains to be seen how long Hightower will miss, but a lengthy absence could hurt his chances of making the team's roster, Zach Berman of The Athletic notes. Hightower is competing with the likes of Quez Watkins and J.J. Arcega-Whiteside for depth slotting in the Eagles' wide receiving corps.