A tumultuous 2021 offseason got underway with a blockbuster trade involving Matthew Stafford and Jared Goff, but plenty of other moves are on the horizon as the new league year approaches.

Some of the issues in defensive production will be helped by Brandon Staley’s approach to defense and better injury luck in 2021: expect less one-on-one coverage in the seams and better numbers against the run.

When it comes the navigating the rules on veteran contracts, one of the true win-win scenarios for NFL teams and players is the early extension. A handful of young defensive players from the 2018 NFL Draft deserve early extensions, starting with Darius Leonard, Jaire Alexander and Bradley Chubb.

Six quarterbacks took the stage during the 2020 Senior Bowl, yet only a few impressed with their performances ahead of the 2021 NFL Draft.

PFF's Ben Linsey mocks the first round of the 2021 NFL Draft, sending Trevor Lawrence to Jacksonville, Penei Sewell to Atlanta and Deshaun Watson to the New York Jets in a trade that includes the No. 2 overall pick.

On Saturday, the Detroit Lions agreed to trade quarterback Matthew Stafford to the Los Angeles Rams for Jared Goff, a third-round pick this year, a 2022 first-round pick and a 2023 first-round selection. Here's what the move means for both teams.

It starts with either trading for/signing Jimmy Garoppolo or drafting Jamie Newman and includes paying up for a star wide receiver. Here's how the New England Patriots can return to the playoffs in the post-Tom Brady era.

Ian Hartitz honors Kansas City Chiefs tight end Travis Kelce by looking at 20 stats that demonstrate just how great Kelce has been since entering the league in 2013.

PFF's Kevin Cole uses past stats to match 2021 free-agent tight ends with historical NFL players, comparing their range of outcomes and value with projected free-agent contracts.

Joe Burrow and Tee Higgins led the Bengals' class. The Bucs got value at the top of their draft, too. With just one game left of the 2020 NFL season, PFF ranks the NFL's most productive 2020 rookie draft classes from 1 to 32.

PFF's Kevin Cole uses past stats to match 2021 free agent running backs with historical NFL players, comparing their range of outcomes and value with projected free agent contracts.

The seventh and final head-coaching vacancy appears to have been filled with the Houston Texans reportedly bringing on David Culley, so PFF's Eric Eager takes to the data to examine the NFL's recent coaching hires.

When it comes the navigating the rules on veteran contracts, one of the true win-win scenarios for NFL teams and players is the early extension. A handful of young players from the 2018 NFL Draft deserve early extensions, starting with the quarterbacks.

PFF's Kevin Cole uses past stats to match 2021 free agent wide receivers with historical NFL players, comparing their range of outcomes and value with projected free agent contracts.

Some began to believe that Odell Beckham Jr. had a negative influence on the Cleveland Browns' offense after the unit hit its stride following his season-ending injury, but that's far from the case.

PFF's Ian Hartitz explains how Tyreek Hill’s unique ability to rack up chunk gains in a flash takes the already deadly Kansas City Chiefs offense to another level.

The marquee names of free agency often do well, but they come at a premium price. The best business comes on cheaper contracts for players who have some risk attached to them. And if they pay off, they represent outstanding value.

Steve Palazzolo consults PFF's free-agent rankings, 2021 NFL Draft Board and potential trade candidates to give you a quick-hitting breakdown of the best available offensive linemen this offseason.