Detroit Lions training camp, Aug. 2

Lions defensive coordinator Paul Pasqualoni and head coach Matt Patricia talk on the field during stretching.

Lions quarterback Matthew Stafford stretches out at the start of practice.

Lions quarterbacks Jake Rudock and Matt Cassel warm up on the field at the start of practice.

Lions long snapper Don Muhlbach stretches out at the start of practice.

Lions defensive coordinator Paul Pasqualoni and defensive line coach Bo Davis talk on the field during stretching.

Lions quarterback Matthew Stafford stretches out at the start of practice.

Arms of steel, Lions defensive back Tracy Walker and safety Glover Quin work during drills.

Lions defensive tackle A'Shawn Robinson works around the pylons.

Lions running back Theo Riddick gets up close and personal with the passing machine, taking hard passes just a few feet from the machine at the end of practice.

Lions defensive lineman JoJo Wicker and defensive tackle Josh Fatu work during drills.

Lions defensive tackle Toby Johnson works around the pylons.

Lions defensive lineman Cornelius Washington uses the arm guards to fend off defensive tackle Ricky Jean Francois as the defensive line gets in more work after practice.

Lions defensive end Anthony Zettel and defensive tackle Josh Fatu work during drills.

Lions defensive end Kerry Hyder Jr. works around the pylons.

Lions safety Rolan Milligan and defensive back Tracy Walker work during drills.

Lions defensive coordinator Paul Pasqualoni watches practice.

Lions linebackers Devon Kennard and Jarrad Davis work during drills.

Lions defensive tackle Christian Ringo works around the pylons.

Lions linebackers Devon Kennard and Jarrad Davis work during drills.

Lions linebackers Devon Kennard is in between drills.

Lions defensive end Anthony Zettel works around the pylons.

Lions running back LeGarrette Blount readies for a reception.

Lions defensive end Anthony Zettel works around the pylons with defensive coordinator Paul Pasqualoni looking on.

Lions defensive tackle A'Shawn Robinson works around the pylons.

Lions defensive tackle Sylvester Williams works around the pylons.

Lions defensive end Kerry Hyder Jr. works around the pylons.

Lions defensive lineman JoJo Wicker works around the pylons.

Lions defensive tackles Jeremiah Ledbetter and Ricky Jean Francois hit the sled during drills.

Lions defensive tackle Jeremiah Ledbetter works around the pylons.

Lions defensive tackles JoJo Wicker and Josh Fatu hit the sled during drills.

Lions running back Kerryon Johnson pulls down a reception.

Lions defensive tackle Jeremiah Ledbetter works around the pylons.

Lions defensive end Anthony Zettel works around the pylons.

Lions wide receiver Bradley Marquez works with the passing machine after practice.

Lions defensive tackle Sylvester Williams works around the pylons.

Lions defensive end Jeremiah Valoaga works around the pylons.

Lions defensive lineman Cornelius Washington uses the arm guards to fend off defensive tackle Sylvester Williams as the defensive line gets in more work after practice.

Lions defensive end Kerry Hyder Jr. works around the pylons.

Lions cornerback Mike Ford works with the passing machine at after practice in Allen Park.

Lions defensive end Kerry Hyder Jr. works around the pylons.

Lions defensive coordinator Paul Pasqualoni watches practice.

Lions defensive end Anthony Zettel works around the pylons.

Lions running back Dwayne Washington readies for a reception from quarterback Matt Cassel.

Lions defensive end Jeremiah Valoaga works around the pylons.

Lions defensive tackles Ricky Jean Francois and Jeremiah Ledbetter hit the sled during drills.