HOUSTON (AP) - Texans top overall pick Jadeveon Clowney says he suffered a concussion in a joint practice with Denver last month.

Clowney left a practice on Aug. 20 after a helmet-to-helmet hit with Broncos tight end Jacob Tamme. He missed the Texans' final two preseason games, but says he passed the league protocols for head injuries in just over a week and will play in Sunday's opener against Washington.

Clowney had sports hernia surgery in June and missed the team's minicamp and had been limited in training camp.

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