Why would Ralph and Bruce trade in all their accomplishments to get a Superbowl ring for the Bills? What a selfish question to ask in the first place. Tell me murra, would YOU trade in everything you've accomplished so that the Bills would win a Superbowl this year?
I can almost guarantee you that Jim Kelly's answer would be the same. As a fan, we're concerned with nothing short of a Superbowl parade. As players, football is their career. It's business. It's their job and like most people with jobs, they don't consider it to be the most important thing in their life. Now, ask Jim Kelly if he'd trade it all in to have his son alive and healthy, and you'd get a different answer.
I don't know what your profession is, but let's say that you're a writer. You're a very VERY successful writer who happens to have never won the Pulitzer Prize. Somebody comes up to you and says, "Let's make a deal. All of your previous books, short stories, and poems will be wiped from the face of the Earth, forgotten forever...but in return, your next work will win the Pulitzer." Obviously, you'd say hell no.