The Seattle Seahawks’ Super Bowl defense is already in serious trouble.With 31 other NFL teams gunning for the Seahawks in 2026, the league’s defending champions need to be at their best throughout a 17-game regular-season campaign.Seattle rookie Bud Clark broke his ankle and had to be carted offgettyBut with a Super Bowl rematch looming against the New England Patriots on September 9, the Seahawks’ repeat chances are already wavering.“We had three heartbreakers this week, which is tough,” Seattle head coach Mike Macdonald told reporters on Sunday. First, wide receiver Jake Bobo was lost for the 2026 season due to a right leg injury. Bobo is a fourth-year pro with 34 career catches for 323 yards and three touchdowns.NFL Weekly Newsletter - SIGN UP!talkSPORT is your home for NFL in the UK as we launch our biggest year of coverage yet!2026 promises to be an epic year for NFL on talkSPORT – and we want you to join us for the ride.MORE INFO & SIGN-UP HERE!This season will be our biggest ever with live commentary of 90+ games, including behind-the-scenes access to international games and all three London fixtures, plus bumper coverage of Super Bowl 61 at SoFi Stadium.Exclusive interviews, hard-hitting opinion, latest front-office drama and top breaking news – all delivered straight to your inbox each week.The undrafted free agent was injured during a recent joint practice with the Tennessee Titans.Seattle then fell 19-16 to the Titans on Sunday in the Seahawks’ second preseason game of the year.During that contest, safety Bud Clark and offensive lineman Mason Richman were forced to leave the game with serious injuries. Clark was the No. 64 overall pick (second round) of the 2026 NFL Draft out of TCU.His on-field injury impacted Titans quarterback Cam Ward, who knelt on the field while Seattle trainers attended to Clark.According to the Seahawks, Clark has a broken ankle and will miss months of play.The Seahawks are trying to defend their 2026 Super Bowl trophyGettyThe Seattle Seahawks suffered major injuries in a preseason gamex@SMHighlights1View Tweet: https://t.co/c89wMUrrAGThe rookie defender was carted off the field after breaking his ankle. Richman also suffered a major, long-term injury on Sunday. “Petition the league to cancel the last preseason game,” one fan tweeted.“Are we gonna go through an injury (Super Bowl) slump because d***,” a second fan wrote.The Seahawks went 14-3 last year and finished the regular season on a seven-game winning streak.The NFC West champs then powered through the playoffs, overcoming the division rival Los Angeles Rams and San Francisco 49ers, then blowing out the Patriots in Super Bowl LX.But Seattle now faces serious depth-chart issues, while also dealing the blowback of considering signing defensive back Terrion Arnold, who is facing eight felony charges and could be placed on the NFL’s Commissioner’s Exempt List.Drake Maye and the Patriots kick off the new season vs the SeahawksGettyNFL's Greatest......Ranking the top 10......Quarterbacks of all-time – Can anyone better Tom Brady?Wide receivers of all-time – Does Randy Moss or Jerry Rice come out on top?Running backs of all-time – Stacking Jim Brown, Barry Sanders, Walter Payton, Emmitt Smith and moreTight ends of all-time – How does Travis Kelce compare?The Seahawks entered training camp knowing that they had to replace Super Bowl MVP Kenneth Walker III, who joined Patrick Mahomes‘ Kansas City Chiefs in free agency.Macdonald will again be able to rely on veteran QB Sam Darnold in 2026, while London-born Aden Durde will coach a defense that could still rank among the league’s best.“You’ve got to look at still building your process,” Durde exclusively told talkSPORT in July, while discussing the pressure that Seattle will face in 2026 to repeat. “Mike (Macdonald) talks ‘run it forward’ and we’re running our process forwards, and we just keep honing that and keep driving towards the little, tiny things and chasing the edges we need to chase to keep perfecting. And we probably never will perfect it, but we just keep driving towards this goal.”The Seahawks’ injury concerns are mounting and a Super Bowl rematch vs the Patriots awaits on September 9 at Lumen Field.