Texans head coach DeMeco Ryans said Monday that Stewart will require season-ending surgery to address the left quadriceps injury he sustained in Sunday's 36-29 win over the Jaguars, DJ Bien-Aime of ESPN.com reports.
The eight-year veteran took over as a starting safety for Houston in Week 4 following the release of C.J. Gardner-Johnson in September. In nine appearances on the season, Stewart tallied 25 tackles, two pass breakups and one forced fumble.