Who's Next to Cash in on MLB's Extension Craze?

Given baseball’s recent rate of contract extensions, it might feel reasonable to assume that there are no longer any players left to extend. (This feeling likely settled in at some point between the extensions of Randal Grichuk and David Bote, though your mileage may vary—Max Kepler, perhaps?) But, never fear, there are still some players available to get in on the game’s latest transaction trend. Here are five prime candidates:

The Astros have used the two years since their championship to extend players like José Altuve, Alex Bregman and Justin Verlander; Springer would be a logical next step. The 29-year-old right fielder is set to become a free agent for 2021, and given his track…