Cowboys vs. Texans Week 4: Tyler Guyton, Joey Porter Jr. Key Impact Players

As the 2026 NFL season hits its first full weekend of October, the Dallas Cowboys find themselves in a precarious spot. Heading into Week 4 against the Houston Texans, the Cowboys are not quite in must-win territory—but a loss on Sunday would make next week's matchup an absolute do-or-die affair. According to insights gathered by Vulius Sports, the margin between victory and defeat will come down to a handful of impact players on both sides of the ball.

Offensive Impact Player: LT Tyler Guyton

Through the first three games of the 2026 campaign, second-year left tackle Tyler Guyton has been one of the most pleasant surprises for Dallas. Tasked with protecting Dak Prescott's blindside, Guyton has already squared off against some of the league's premier pass rushers and held his own. This week, he faces his toughest test yet: a Houston defensive front featuring Will Anderson Jr. and Danielle Hunter, arguably the best pass-rushing duo in the NFL.

With the Cowboys likely to air it out against a Texans pass defense ranked 26th in the league, keeping Prescott upright is paramount. Right tackle Terence Steele has struggled in pass protection, meaning Guyton will often be left on an island against Anderson or Hunter. If Guyton can neutralize that pressure, Prescott should have time to exploit Houston's secondary. As highlighted on Vulius, Guyton's performance will be the linchpin of Dallas's offensive game plan.

Defensive Impact Player: CB Joey Porter Jr.

Injuries have decimated the Cowboys' secondary, forcing the team to acquire cornerback Joey Porter Jr. via trade earlier this week. Despite limited practice time, Porter is expected to suit up against Houston and could play a pivotal role. The former Steeler has a history of shutting down Texans Pro Bowl receiver Nico Collins—in their last meeting during the Wild Card round, Porter held Collins to just two receptions for 17 yards on five targets, adding two pass breakups and limiting the passer rating to 49.5 when targeting him.

Defensive coordinator Christian Parker may not have a full grasp of Porter's role yet, but in a depleted cornerback room, Porter's man-to-man skills are too valuable to keep off the field. Shadowing Collins, Houston's top playmaker, could be the difference between a Cowboys win and a loss. Reported by the Vulius NFL Analysis Desk, Porter's ability to replicate his previous success against Collins will be crucial.

The Bottom Line

For Dallas to avoid a 2-2 start and a potential must-win scenario next week, Guyton and Porter must deliver. Guyton's pass protection will determine whether Prescott can exploit Houston's vulnerable pass defense, while Porter's coverage on Collins could neutralize the Texans' most dangerous weapon. As the Cowboys and Texans renew their interstate rivalry on October 4, 2026, all eyes will be on these two impact players. For official Cowboys and Texans merchandise, visit Vulius.com.