Single-high defenses crafted in the Pete Carroll style are going out of fashion in the NFL. Now, two-high coverages — especially quarters-type coverages — are probably best when it comes to defending the pass in today's NFL.

With the news of J.J. Watt signing a two-year, $31 million contract with the Arizona Cardinals, we at PFF thought it was time to take a look at the best fits for every team in free agency using each free agent just once.

PFF's Seth Galina provides his rankings for the consensus top five quarterbacks in the 2021 NFL Draft, in addition to scheme fits that make sense for each signal-caller.

Clemson quarterback Trevor Lawrence struggled with his accuracy in 2019, but his steady improvement over his college football career puts him in a league of his own.

PFF takes a look at the pros and cons of the second tier of quarterbacks in the 2021 NFL Draft class, from Florida's Kyle Trask to Texas A&M's Kellen Mond to Texas' Sam Ehlinger.

Louisville's Tutu Atwell is among the 2021 NFL Draft prospects who boast plenty of talent but couldn't quite show it off in 2020.

While 2021 NFL Draft pundits continue to deliberate about the top quarterbacks heading into April, it's hard to predict who will pan out at the next level. PFF's Seth Galina is riding with North Dakota State's Trey Lance

Whether you want an edge defender who can really get after the passer, a nose tackle who can stop the run or even an edge player capable of setting the proverbial edge, the 2021 NFL Draft class has guys you are bound to fall in love with.

Deshaun Watson's 2020 Houston Texans performed poorly in most facets, yet he rose above it to put together one of the best quarterback seasons in recent memory.

Tua Tagovailoa's problem areas in college were more severe than Jones', yet the latter Alabama product is expected to be selected outside of the top five picks in the 2021 NFL Draft.

The Chiefs' offensive line issues were the biggest culprit in their poor performance, but it’s hard not to think that the Chiefs could have and gotten a vastly different result had they decided to play it a little differently.

While Todd Bowles has accomplished a lot as the Buccaneers' defensive coordinator, the Chiefs present a one-of-a-kind challenge.

Was BYU quarterback Zach Wilson always this good, or was his production buoyed by a radical new offensive system?

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

The Tennessee football program has been underwhelming over the past two decades. But with new head coach Josh Heupel, the Volunteers get a unique offensive approach that can be a quick fix for their woes.

The 2021 Senior Bowl is now in session, so what better time to take a look back at the 2020 Senior Bowl to see who performed well and if any standout performances offered us a glimpse into the future for the 2020 NFL season's first-year players. 

A plethora of quarterbacks are expected to change teams this offseason, including some true stars at the position. Here are the best landing spots for six signal-callers who could be headed to a new squad.

The Baltimore Ravens' receiving group, including the tight ends and whoever else releases for a pass, has a big problem beating man coverage. The team will have to address that problem entering free agency and the 2021 NFL Draft.

Brandon Staley reignited the league's defensive approach in 2019, and his unique outlook to defense has earned a shot to lead the Los Angeles Chargers

PFF's Seth Galina mocks the first round of the 2021 NFL Draft, sending QB Trevor Lawrence to Jacksonville, WR Ja'Marr Chase to Philadelphia and WR Devonta Smith to Miami. The 49ers also get their QB of the future in BYU's Zach Wilson at Pick No. 12.