BananaStock/Thinkstock(HOUSTON) -- Houston Texans rookie linebacker Jadeveon Clowney may have suffered a tear of his meniscus during Sunday's season opener that could cost him multiple weeks.Clowney, the number one overall pick in this past April's draft, made one tackle -- for a loss of nine yards -- before leaving Sunday's game. He is expected to undergo further testing and could potentially require arthroscopic surgery.The Texans beat the Washington Washington Football Team 17-6 on Sunday despite Clowney's early exit. Follow @ABCNewsRadio !function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0];if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src="http://platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs"); Copyright 2014 ABC News Radio