Houston Texans rookie outside linebacker Jadeveon Clowney is having surgery today to address a torn meniscus in his knee.
The injury is expected to sideline him four to six weeks.
Clowney got hurt in the second quarter of the Texans' 17-6 win over the Washington Redskins.
Clowney sprained his medial collateral ligament.
Clowney has had a concussion this year and underwent sports hernia surgery.
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Aaron Wilson covers the Ravens for The Baltimore Sun