Pittsburgh Steelers FS Mike Mitchell (shoulder) was able to practice during minicamp this week. He planned to sit out until training camp, but he decided to practice this week.

Jacksonville Jaguars DT Sen’Derrick Marks (knee) was impressive during his limited practice time this offseason, according to head coach Gus Bradley.

Kansas City Chiefs RB Jamaal Charles (knee) was able to participate in some drills during minicamp, but head coach Andy Reid said the team will not rush Charles back to the lineup.

Kansas City Chiefs LB Justin Houston (knee) will not be ready for the start of training camp because he is recovering from a knee injury.

Baltimore Ravens QB Joe Flacco said he plans to work out with some of his teammates over the next month to make sure his arm is strong enough for the work he will receive during training camp. He said he is not worried about his injured knee.

Green Bay Packers DT Kenny Clark, the team’s first-round draft choice, signed a four-year deal with a fifth-year option Friday, June 17. Financial terms were not disclosed.

Footballguys View: Clark made quite the impression on film during his time in college at UCLA. A former high school wrestler, Clark understands how to use leverage to his advantage. He has good football intelligence and can quickly diagnose plays as they break down in front of him. Pencil him in as the starter in the middle of the line for the Packers this year.

Miami Dolphins RB Jay Ajayi said he will work on improving his route running and his pass catching skills during the next month.

Miami Dolphins QB Logan Thomas was claimed off waivers by the New York Giants Friday, June 17, according to a source. The team also waived QB B.J. Daniels.

Footballguys View: Thomas has a big arm but little control as a passer. He’ll serve as a camp arm behind Eli Manning and Ryan Nassib.

San Diego Chargers OG Chris Watt (knee) underwent arthroscopic knee surgery this month and could start training camp on the Physically Unable to Perform list.

Seattle Seahawks RB Christine Michael said he lost around eight pounds this offseason and feels a little quicker. He currently weighs 217 pounds.