Johnson, who was carted off the field with a knee injury during Thursday's training camp practice, may be able to return in time for the team's regular season opener on Sept. 7 at the Los Angeles Rams.

The Texans' biggest veteran addition in the secondary had a scary moment in practice this week. Here's what we know.

Houston safety C.J. Gardner-Johnson appeared to suffer a significant leg injury Thursday as the Texans practiced at the Greenbrier Resort in West Virginia. According to reports, Gardner-Johnson tried to tackle receiver John Metchie and after making contact fell to ground and began writhing in pain.