<p> The Houston Texans signed outside linebackers Quentin Groves and Lawrence Sidbury.</p> <p> Groves has previously played for the Jacksonville Jaguars, Oakland Raiders, Arizona Cardinals and Cleveland Browns. He recorded two sacks last season for the Browns. Groves has recored 8.5 career sacks.</p> <p> Sidbury is a former Atlanta Falcons fourth-round pick who played for the Indianapolis Colts last season, spending the season on injured reserve. Sidbury had a career-high four sacks in 2011.</p> <p> The Texans added them for depth behind starting outside linebackers Whitney Mercilus and first-round pick Jadeveon Clowney.</p> <p> Follow me on Twitter: <a href="http://www.twitter.com/RavensInsider">@RavensInsider</a></p> <p> Aaron Wilson covers the Ravens for The Baltimore Sun</p>