John Clayton's mailbag: The officials' emphasis on pass-defense penalties was clear during the first wave of preseason games.
Gary Kubiak has helped resurrect the running game in Baltimore. Plus, Ravens rookie C.J. Mosley looks like he's for real, John Clayton writes.
Emerging talents Akiem Hicks and Brandin Cooks look poised to make the Saints even more dangerous, John Clayton writes.
The Patriots and Redskins devised a structure for their dual practices that could be the way of the future as teams try to maximize their limited camp time, John Clayton writes.
The most noticeable training camp observation about the Titans is their toughness, John Clayton writes.
Mailbag: The Falcons added bulk and attitude in an attempt to rebound from a disappointing 4-12 season, John Clayton writes.
Mailbag: The early days of training camps were marked by injuries, a scarcity of holdouts, Johnny Manziel's uphill battle and more, John Clayton writes.
John Clayton's mailbag: NFL teams are looking to increase their offensive pace and run more plays
With few quarterback battles expected to move the needle, it's time to see what position competitions are being played out under the radar, writes John Clayton.
Mailbag: The Pro Football Hall of Fame game provides a head start for the Bills and Giants, two franchises heading into pivotal seasons, writes John Clayton.
For the second consecutive year, the NFL supplemental draft did not have a player selected.
NFL general managers will have a brief break from their vacations Thursday when they have a chance to participate in a supplemental draft.
Mailbag: There are no easy fixes for a franchise tag system that hasn't kept up as the NFL game has evolved, writes John Clayton.
Mailbag: Brandon Flowers' change of address makes the Chiefs bigger and the Chargers better, John Clayton writes as he sizes up the NFL's cornerback shuffle.
Mailbag: Offseason workouts showed us where rookie quarterbacks stand and shed light on other NFL trends, writes John Clayton.
Mailbag: Pass-rushers and defensive backs are cashing in as teams invest in their nickel and dime defenses, writes John Clayton.