The free-agent season might have been sluggish once again, but the extension season is smoking hot. With ESPN's Jeff Passan reporting that the Boston Red Sox have agreed to a five-year extension with ace lefty Chris Sale -- worth somewhere in the neighborhood of $145 million -- yet another established star has decided to forgo the possibility of future free-agent riches.
According the extension tracker at MLB Trade Rumors, 20 players have now agreed to extensions since the end of last season. Let's break them into groups:
The "so good we've seen enough" group: Eloy Jimenez, White Sox; Brandon Lowe, Rays.