GLENDALE, Ariz. -- If defensive tackle Calais Campbell doesn’t return to the Arizona Cardinals next season, he gave the home crowd at University of Phoenix Stadium a goodbye to remember.

Campbell, who was drafted by the franchise in 2008, had two sacks and returned a fumble 53 yards for his first career touchdown in the Cardinals’ home finale, which may have been Campbell’s, as well.

He’s an unrestricted free agent after this season and while a decision on his future has not been made public, he’s preparing himself for the possibility of not signing another contract with Arizona.

“Before the game, I was getting chills on my back just thinking about the honor that I’ve had with being able to play with this group of men and for this organization for as long as I have,” Campbell said. “It’s been a complete honor being in this locker room, feeling all of the history. When you’re out there playing football have good plays like that, those mean the world. They’re things you’ll remember forever.”

Cardinals defensive end Calais Campbell, who was drafted by the franchise in 2008, may have played his last game at home for Arizona. AP Photo/Rick Scuteri

Campbell wasn’t the only Cardinal who faced the possibility that Sunday could’ve been their last home game in Arizona. The Cardinals have 19 unrestricted free agents currently on their roster.

Safety Tony Jefferson, who signed a one-year tender last offseason and will be a free agent in March, said Sunday was emotional for him. He told his family it could’ve been his last home game playing for the team who signed him as a free agent in 2013 after he went undrafted.

“That’s the way of the NFL, though,” safety Tyrann Mathieu said. “Obviously every year you add guys and we have to cut guys. Some guys want to go to free agency and make a lot of money. It’s just the way the league works but I think we believe in the guys that run our team to continue to add pieces that will help us and be better than we were this year for sure.”

Inside linebacker Kevin Minter is another upcoming free agent. He said the future “is always in the back of your mind.”

Even Arizona’s two most established starts -- quarterback Carson Palmer and wide receiver Larry Fitzgerald -- faced questions about their future following Sunday’s 48-41 loss. Both signed contract extensions in August -- Palmer through 2018 and Fitzgerald through 2017.

“We will see what goes on this offseason,” Fitzgerald said. “My attention is solely focused on Seattle this Saturday.”

Palmer said he hasn’t “even thought about” playing next season.

“But I expect to,” he said. “I’d like to.”

With that many players facing free agency in March, next year’s Cardinals will likely look quite different than this year’s edition – which may or may not include Campbell.

“I have no idea,” he said. “The harsh reality is that it could be. I really hope it’s not but we’ll see how it goes come offseason. But we still have two more games to finish and I’m really excited to play those two games and give it my all every time I’m out there.”