The 2018 Dallas Cowboys season was a classic roller-coaster ride that defined the late Jason Garrett era. Coming off a 9-7 campaign, expectations were murky following the retirement of Jason Witten and the release of kicker Dan Bailey. Owner Jerry Jones pivoted by drafting linebacker Leighton Vander Esch and adding free-agent wideout Allen Hurns. Despite a sluggish 3-5 start that had critics calling for change, Dallas rallied to finish 10-6, capturing the NFC East crown. The late-season surge saved their year and established a resilient team identity, providing fans with a division title and a postseason berth that shook up the NFC picture.

Offensively, Dallas ran a run first system completely anchored by Ezekiel Elliott. Elliott captured the league rushing title with 1,434 yards and six touchdowns, while adding 567 receiving yards. Quarterback Dak Prescott passed for 3,885 yards, 22 touchdowns, and eight interceptions, while enduring a painful 56 sacks. The unit struggled initially, ranking 22nd in points with 339 (21.2 ppg) and total yards with 5,501. The season turned when Dallas traded a first-round pick for wide receiver Amari Cooper. Cooper was a revelation, exploding for 725 yards and six touchdowns in nine games, completely unlocking the offense and giving Prescott the legitimate top target he desperately required.

Marinelli's defense was the team's true backbone, ranking sixth in points allowed with 324 (20.3 ppg) and seventh in yards surrendered with 5,268. Edge rusher DeMarcus Lawrence spearheaded the front four, registering 10.5 sacks to secure another Pro Bowl nod. At linebacker, Jaylon Smith compiled 121 tackles alongside the rookie sensation Vander Esch, creating one of the league's most feared defensive pairings. Cornerback Byron Jones enjoyed a spectacular Pro Bowl season after moving outside, anchoring a secondary that shut down aerial attacks. This suffocating unit held opponents to a stingy 3.8 yards per rushing attempt, routinely keeping the Cowboys competitive during low-scoring dogfights.

The turning point came after a Week 9 home loss to Tennessee dropped Dallas to 3-5. The Cowboys responded by winning seven of their last eight games, highlighted by a stunning 13-10 Thursday night upset of the high-powered New Orleans Saints and a 29-23 overtime win over Philadelphia. In the playoffs, Dallas edged the Seattle Seahawks 24-22 in the Wild Card round before falling 30-22 to the Los Angeles Rams in the Divisional round. This season is historically remembered for the Amari Cooper trade that saved the season trajectory, sending five players to the Pro Bowl and proving the Prescott-Elliott window was wide open.