Green Bay Packers QB Joe Callahan has a better grasp of the playbook than QB Taysom Hill, and Callahan looks like the frontrunner for the No. 3 quarterback job, according to Aaron Nagler of USA TODAY NETWORK-Wisconsin.

Tennessee Titans WR Corey Davis’ strength has stood out during drills, according to Jim Wyatt of TitansOnline.com, and Wyatt said Davis has been able to make contested catches in traffic.

Cleveland Browns FB Dan Vitale must play with a ‘fullback demeanor’ and provide a physical element to the running game, according to running backs coach Kirby Wilson.

Cleveland Browns FB Dan Vitale must play with a ‘fullback demeanor’ and provide a physical element to the running game, according to running backs coach Kirby Wilson.

Cleveland Browns RB Duke Johnson is one of the ‘better playmakers’ for the offense and ‘big things’ are expected from him this season, according to running backs coach Kirby Wilson.

Cleveland Browns RB Duke Johnson is one of the ‘better playmakers’ for the offense and ‘big things’ are expected from him this season, according to running backs coach Kirby Wilson.

Cleveland Browns RB Isaiah Crowell has only ‘scratched the surface’ of his potential, according to running backs coach Kirby Wilson.

Detroit Lions RB Zach Zenner is still progressing and improving, according to head coach Jim Caldwell. ‘He can run the ball,’ Caldwell said. ‘He can pass protect. He can catch the ball out of the backfield.’

Philadelphia Eagles QB Carson Wentz ‘appeared to hit his stride’ during the team’s three-day minicamp, throwing crisper and more accurate passes than he did at the beginning.

Philadelphia Eagles QB Carson Wentz ‘appeared to hit his stride’ during the team’s three-day minicamp, throwing crisper and more accurate passes than he did at the beginning.