"Did they get a fair price for Rickey Henderson? It's kind of like if you're an art collector and you have the Mona Lisa, what's a fair price for it? The idea in building a championship team is to acquire players like Rickey Henderson. It's a sad day when you have to give one away."
Bill James wrote that in 1985 after the Oakland Athletics traded away Rickey Henderson to (ironically enough) the New York Yankees before the start of season. Henderson, at that point in his career, was 28 years old and was widely regarded as one of the best all-around baseball players in the league. The A's opted to trade Henderson away in exchange for some assets because they knew he would be outside of their price range once hitting free agency the following season.
It's not a perfect comparison, but when thinking about the impending "to spend or not to spend?" question that the Yankees face regarding Robinson Cano, that James quote reasonates.
Cano is (d...