Setting the no-trade clause aside, I don't put Buxton in the same category as vets like Ryan, Lopez, Ober, and Jeffers in thinking they should move them for the right price to avoid squandering their value and better align with a more realistic competitive window. For one, he is under control for longer, which means there's a better chance they return to competitiveness while he's still under contract. For two, he's the one I could plausibly see agreeing to a team-friendly extension, whereas the others are probably gone if they get to the open market. For three, his age and injury history might depress the value of the return they ought to get for someone of his ability level, at least relative to their other potential trade pieces. And finally, I just think it would be really cool if he had a one-team career
Besides, I don't think Buck invokes the NTC unless a) there comes a point where he's thinking about retirement and they're out of contention at the deadline or b) Tommy P goes John Fisher on the operation