He's "expanded" his work:
http://www.chron.com/disp/story.mpl/...t/7107619.html
With 15 days remaining until training camp begins July 30, the Texans have six of their nine draft choices under contract.
Cornerback Kareem Jackson (first round), running back Ben Tate (second) and tight end Garrett Graham (fourth) are the only unsigned picks.
Receiver Dorin Dickerson, the seventh-round pick, agreed to a four-year deal worth $1.85 million on Wednesday.
Signing earlier were defensive tackle Earl Mitchell (third), outside linebacker Darryl Sharpton (fourth), cornerback Sherrick McManis (fifth), receiver Trindon Holliday (sixth) and guard Shelley Smith (sixth).