The ' offseason is going to be a tricky one. Boye Mafe Yu Chang Jersey , Rashid Shaheed, Kenneth Walker III, Josh Jobe, Coby Bryant, and Riq Woolen are all hitting the open market this offseason. While Seattle is slated to lose a few of those free agents, and the team needs to be careful about its spending, that doesn't mean it cannot add some top-tier players this offseason. predicts that the Seahawks will make one big addition this offseason in free agency, signing 113-sack edge rusher Khalil Mack to a huge $18 million one-year contract. Seahawks predicted to sign Khalil Mack to $18M deal "Khalil Mack, edge. Contract projection: One year, $18 million," Graziano writes. "Predicted landing spot: Seattle Seahawks." While the Seahawks might be losing a few key players this offseason, they're still a Super Bowl contender and should be looking to add to their roster. While the 35-year-old Mack, who had 5.5 sacks last season for the , might not be the best free agent available, he is the perfect kind of free agent for the Seahawks. More : It would be a one-year contract, and while $18 million is a lot, adding Mack, a potential future Hall of Famer, would be worth it. He's a nine-time Pro Bowler, three-time All-Pro, and former Defensive Player of the Year. Mack will have some suitors, but the Seahawks might be the best landing spot for the veteran pa s rusher this offseason. He would be a fantastic player to replace Mafe and pair with Uchena Nwosu at pa s rusher. DeMarcus Lawrence has an uncertain future as well, so Mack, a 12-year veteran, would be a great one-year rental as they pursue repeat Super Bowl titles. More Seahawks news: Wilyer Abreu Jersey