After two blockbuster trades that shook up the top of the 2021 NFL Draft, PFF's Austin Gayle provides his latest mock draft — including four quarterbacks with the first four picks.

The trades between the Dolphins, 49ers and Eagles sent shockwaves through the NFL. For some, it made their situation better. For others, not so much. Here are the biggest winners and losers from Friday's action.

The San Francisco 49ers and Miami Dolphins agreed to a blockbuster trade Friday that puts the 49ers in prime position to take a quarterback with their newly acquired No. 3 overall pick in the 2021 NFL Draft.

The Philadelphia Eagles appear committed to quarterback Jalen Hurts — at least for 2021 — after sending the No. 6 overall pick to the Miami Dolphins in exchange for No. 12 overall and an extra first-rounder in 2022.

In the first and most sure sign that the team is fully invested in Tua Tagovailoa at quarterback, the Miami Dolphins traded the No. 3 overall pick of the 2021 NFL Draft to the San Francisco 49ers before moving up to No. 6 via a trade with the Philadelphia Eagles.

As offenses continue to trot out better and better athletes, defenses have been forced to adapt how their linebackers play.

PFF looks at the best value signings of the 2021 NFL free agency period.

The quarterback market has thinned out, but plenty of other positions still offer value in 2021 NFL free agency.

The biggest challenge facing NFL front offices is not hitting on quarterbacks in the draft. It’s deciding whether to buy into a quarterback who has had success on a rookie deal.

LSU's Ja'Marr Chase might be the top WR prospect since 2020, but 2020 prospect and now-Dallas Cowboy CeeDee Lamb ranks higher than you'd think.

PFF's Anthony Treash lists list his least favorite move made by each franchise after the first week of free agency.

The Baltimore Ravens, New Orleans Saints, Atlanta Falcons, Indianapolis Colts and Green Bay Packers opted to keep things tight in free agency and will now look to plug holes via the draft. Here are the perfect targets for these teams.

The New England Patriots have a reputation for getting the most out of their players, but how well does that hold up against the data?

Mike Renner looks at the most popularly picked players in our mock draft simulator prior to free agency and identifies the picks that are most likely to change after the first wave of deals.

PFF dives into the signature stats database to look at one stat for every team's best free-agency signing.

After one week of NFL free agency, PFF's Ben Linsey looks at how each team can feel good about what they have or haven't accomplished thus far.

Using the machine learning capabilities of AWS, the PFF Improvement Index quantifies how much value NFL teams are adding or losing during NFL free agency. This page will track the movement according to each day’s transactions, with notes on each team’s affected position groups.

PFF grades and tracks every free agent deal as 2021 NFL free agency kicks off.