Spotrac puts his market value at 12 years, $539 million. ESPN's Jeff Passan also recently had Tucker in his rarefied air of players who could sign $500 million contracts. And if the Cubs are the ones making that happen, it's pretty unlikely they'll then turn around and trade for the roughly quarter of a billion dollars left on Devers' deal.

After Triston Casas was ruled out for the rest of the season due to a knee injury, Devers was asked by the Red Sox to take over defensive duties at first base, which is something he's never done for Boston at the MLB level.

The Boston Red Sox were perfectly justified in asking Rafael Devers to vacate third base for Alex Bregman and become a designated hitter. They are far less justified in asking Devers to switch again,