Josh Donaldson has missed significant time with what's said to be a shoulder concern. But when he plays, he's been one of the most impactful players in the game. While his age (32 now) means he's below the very top tier of this exalted free-agent market, which includes Bryce Harper, Manny Machado and Clayton Kershaw,

Early look at the Josh Donaldson market

By Jon Heyman