Jaguars Clinch AFC South, But Secondary Health Looms Ahead of Bills Showdown

The Jacksonville Jaguars closed their regular season in emphatic fashion, overwhelming the Tennessee Titans 41–7 to finish 13–4 and lock up the AFC South title. The win completed an eight-game surge that pushed the franchise to its best record since 1999.

With the division crown secured, Jacksonville earned the conference’s No. 3 seed and will host the No. 6 Buffalo Bills in Sunday’s Wild Card round. It is the franchise’s most anticipated postseason opener in more than two decades.

Yet as the celebration settled, attention quickly shifted to the injury report, where early-week absences and limitations raised concerns about the Jaguars’ already-thinned defensive backfield.

The contrast was stark: historic success on one hand, and uncertainty on the other, as Jacksonville prepares for a Buffalo offense capable of exploiting any vulnerability through the air.

1. Secondary Under the Microscope

Cornerback Jarrian Jones was listed as a nonparticipant in Wednesday’s estimated injury report due to illness, according to team officials. While the Jaguars held only a walkthrough, his status immediately became one to monitor. Two other defensive backs, Greg Newsome (shoulder) and Montaric Brown (neck), were limited participants, adding to the unease surrounding Jacksonville’s coverage group. The Jaguars already lost veteran Jourdan Lewis to season-ending surgery earlier this year, a blow that removed both experience and leadership from the secondary. Lewis had signed a three-year, $30 million deal last offseason and was expected to stabilize the unit. With the postseason looming, the health of Jones and Newsome carries outsized importance, particularly with Josh Allen and the Bills coming to town.

2. Defense Built on Stopping the Run

Jacksonville’s defense has been the backbone of its breakout season, especially against the run. The Jaguars finished the regular season as the NFL’s top run-stopping unit, surrendering just 85.6 rushing yards per game. That dominance has masked more modest results in pass defense, where Jacksonville ranked 21st leaguewide. It is a profile that invites scrutiny when facing a Buffalo offense known for stretching the field. Jones, a third-round pick out of Florida State in 2024, has emerged as a key figure in that equation. In his second season, he posted a 78.7 coverage grade and a 78.4 overall grade, placing him among the top five defensive backs in the league, according to Pro Football Focus. His availability could be a deciding factor in whether the Jaguars can hold firm against the Bills’ aerial attack.

3. A Turnaround for the Ages

Beyond the immediate playoff stakes, Jacksonville’s season has already entered the franchise record books. One year after finishing 4–13, rookie head coach Liam Coen has engineered a stunning revival. The 2025 Jaguars became just the third team in NFL history to record 13 wins one season after suffering 13 losses the year before, a club that also includes the 1999 Indianapolis Colts led by Peyton Manning. Remarkably, they are not alone this year. The 2025 New England Patriots completed the same improbable feat, making this season a statistical anomaly in league annals. For Jacksonville, the numbers tell a story of belief, buy-in, and swift transformation — now paired with the challenge of proving it all means something in January.