Texans stars J.J. Watt and DeAndre Hopkins will begin training camp on the physically unable to perform list.
They can be activated at any time. And both players are expected to begin practicing at some point and be ready in time for a Sept. 9 season opener against the New Orleans Saints.
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A three-time NFL Defensive Player of the Year, Watt practiced throughout the spring and said he felt great. Watt had arthroscopic knee surgery in January following a resurgent season where he recorded 16 sacks and seven forced fumbles.