PFF's Research and Development Team highlights the key decisions around the NFL that changed the game significantly in Week 4.

Mason Rudolph looks to establish himself in his second start while Andy Dalton aims to end a primetime drought.

All ReFocused stories from Week 4 of the 2019 season, including instant analyst takeaways and keys to victory.

It wasn't pretty, but Teddy Bridgewater and the New Orleans Saints earned the 12-10 win over the Dallas Cowboys in Week 4.

A shootout from start to finish, the Tampa Bay Buccaneers beat the Los Angeles Rams, 55-40, on the road to improve to 2-2 on the year.

Gardner Minshew is taking the NFL storm. The rookie signal-caller led the Jacksonville Jaguars to a 26-24 win over the Denver Broncos on the road to improve to 2-2 on the season. 

Chase Daniel wasn't perfect, but he got the job done after replacing the injured Mitchell Trubisky. Daniel and the Chicago Bears beat the Minnesota Vikings, 16-6, at home in Week 4.

Chris Carson and Will Dissly led the Seattle Seahawks to a 27-10 win over the Arizona Cardinals on the road in Week 4.

Patrick Mahomes led the Kansas City Chiefs back from a three-point deficit late in the fourth quarter to secure the 34-30 win on the road against the Detroit Lions in Week 4.

AJ Brown and the Tennessee Titans upset the Atlanta Falcons on the road, picking up the 24-10 and improving to 2-2 in Week 4.

Philip Rivers made light work of the struggling Dolphins, ending Week 4 with a 30-10 victory.

Baker Mayfield outdid his sophomore counterpart in Week 4, leading his Browns to a decisive 40-25 victory over the Baltimore Ravens. 

The New England Patriots squeaked out a 16-10 win over the Buffalo Bills on the road largely because of some Josh Allen mistakes early in the contest.

Daniel Jones did just enough to walk his team through the Redskins' struggling defense, earning the first W in a quarterback duel that will grace the NFC East for years to come. 

Josh Jacobs and Darren Waller led the Oakland Raiders to a 31-24 win over the Indianapolis Colts on the road in Week 4.

It was no Cam, no worries on Sunday afternoon, as the Carolina Panthers held onto a 16-10 victory over the Houston Texans.

PFF's Anthony Treash highlights four key takeaways from the Philadelphia Eagles' 34-27 win over the Green Bay Packers Thursday Night Football.

Lost in the excitement around Dak Prescott and Ezekiel Elliott has been the work of a Cowboys offensive line that looks like it's back as one of the league's best.