Watt

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Rookie defensive end J.J. Watt works on drills.

Hartmann

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Punter Brett Hartmann, a rookie out of Central Michigan, works on drills during practice.

Rackers

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Kicker Neil Rackers feeds balls to the Juggs machine for punter Brett Hartmann.

Hartmann, Weeks

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Snapper Jon Weeks catches the ball from punter Brett Hartmann.

Kicking unit

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Punter Brett Hatmann, snapper Jon Weeks and kicker Neil Rackers work together.

Jackson

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Second-year cornerback Kareem Jackson answers questions from the media.

Jackson

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SportsRadio 610's John Lopez asks cornerback Kareem Jackson about his offseason and learning from his terrible rookie season.

Mathews, Manning

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SportsRadio 610's Dan Mathews interviews safety Danieal Manning.

Receivers

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The receivers work on drills.

Ogbonnaya

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Running back Chris Ogbonnaya works with coaches.

Ogbonnaya

(credit: Anna-Megan Raley/CBS Houston)

Running back Chris Ogbonnaya works with coaches.

Slaton

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Running back Steve Slaton works with coaches.

Slaton

(credit: Anna-Megan Raley/CBS Houston)

Running back Steve Slaton works with coaches.

Slaton

(credit: Anna-Megan Raley/CBS Houston)

Running back Steve Slaton works with coaches.

Running backs

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Running backs Derrick Ward, left, Chris Obgonnaya and Steve Slaton wait for instructions for the next drill.

Foster

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Running back Arian Foster may not practice until Thursday.

Tight ends

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The tight ends work on blocking drills.

Schaub

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Quarterback Matt Schaub drops back for a pass.

Schaub

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Quarterback Matt Schaub drops back for a pass.

Smith

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Defensive end Antonio Smith performs a drill in front of defensive line coach Bill Kollar.

Mitchell

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Defensive tackle Earl Mitchell performs a drill under the supervision of defensive lineman Tim Bulman.

Jamison

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Defensive end Tim Jamison finishes a round of drills.

Parr

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Defensive end Zane Parr, an undrafted rookie out of Virginia, finishes a drill.

Brisiel, Studdard

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Guards Mike Brisiel and Kasey Studdard watch as other offensive linemen works on drills.

Studdard

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Guard Kasey Studdard watches his teammates practice.

Linebackers

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The linebackers learn the 3-4 defense.

Williams

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Outside linebacker Mario Williams works on drills.

Allen

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Veteran cornerback Jason Allen works on drills.

Williams, Demps

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Safeties Torre Williams and Quintin Demps watch other secondary players work on drills.

Smith, Vandermeer

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Texans Rick Smith goes on SportsRadio 610 with Marc Vandermeer.

Smith

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SportsRadio 610's Vandermeer & Lopez bring Texans general manager Rick Smith on the air.

fans

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Some fans were on hand to watch practice.

Phillips

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Houston Oilers' legendary coach Bum Phillips, left, watches the Texans practice.

Casserly

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Former Texans general manager Charley Casserly watches practice.

Johnson, Jones

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Neither Andre Johnson nor Jacoby Jones practiced on Wednesday. Johnson suffered a dislocated finger on Tuesday. Jones, like the other free agents, may not practice until Thursday.

Williams

(credit: Anna-Megan Raley/CBS Houston)

Outside linebacker Mario Williams works on drills.

Williams

(credit: Anna-Megan Raley/CBS Houston)

Outside linebacker Mario Williams works on drills.