"But when he told me Seattle, it definitely put a grin on my face," Graham said, per the Seattle Times.
The 28-year-old has had some notable run-ins with the Seahawks -- both pre and in game -- in the past but is glad he's joining the back-to-back NFC champions.
"I've had some battles clearly against their defense the last couple of years," Graham said. "We've struggled against them as a team as a whole. It's probably the one game as a player you always look forward to because they're always so good, and it's usually a prime-time game.
"So for me it was a moment of shock, but once that shock cleared, I realized that I was going to the best team in football."
"You won't be able to go Cover Zero to stop the run, and I think I can help open (the running game) up," he said. "And then in the red zone, that's something I've always been good at. I'm 6-7, 260 pounds, and most of those are like a rebound for me."