With so much going on in the world, Marketplace is here for you. Support public news for public good. Donate Today!

When did middle relievers in baseball get so expensive?

Oct 1, 2018
And does the strategy of investing in a strong bullpen pay off?
Jason Hammel #49 of the Tampa Bay Devil Rays delivers a pitch against the New York Yankees on September 13, 2006 at Yankee Stadium in New York City.
Jim McIsaac/Getty Images