Chicago Bears
Signed free agent TE Mobolaji Afariogun on 8/5. Terms undisclosed.
Waived DE John Stamper on 8/5.
Arizona Cardinals
Waived WR Lawrence Hamilton on 8/5.
Signed FB Joshua Roe on 8/5. Terms undisclosed.
Indianapolis Colts
Signed CB Marcus Smith on 8/5. Terms undisclosed.
Dallas Cowboys 
Signed free agent C Gennaro DiNapoli (Texans) to a 1-year contract on 8/5 worth slightly more than $1 million with
a $150,000 signing bonus included.
Atlanta Falcons
Signed free agent LB Tony Ortiz on 8/5. Terms undisclosed.
Detroit Lions
Waived P Adam Wulfeck on 8/5.
Carolina Panthers
Signed free agent WR Henry Douglas on 8/5. Terms undisclosed.
Waived FB Scott Zimmerman on 8/5.
Oakland Raiders
Signed DT Daniel Nwangwu on 8/5. Terms undisclosed.
Pittsburgh Steelers
Released un-drafted rookie P Mike Hayes on 8/4.
G Dave Costa has decided to leave training camp and was placed on the reserve/left camp list.
Signed P Glenn Pakulak on 8/4. Terms undisclosed.
Signed G Michael Cook on 8/4. Terms undisclosed.
Houston Texans
Released C Mike Newell on 8/5.