Beneath some ugly surface stats, Carlos Martinez showed signs in May that he could be ready to take a big step forward.

The Red Sox made a major commitment to Rick Porcello this off-season. Should fantasy leaguers have the same confidence in his future?

Whoa. Lots of BUYS this week.

Has last year's Rookie of the Year Jose Abreu provided a similarly productive follow-up campaign so far? Also, Valbuena, Snider, Estrada, Colome.

Looking to put an ugly April behind him, Andrew McCutchen's bat has emerged, but the knee issue is putting his stolen base totals at risk. Plus, Matt Carpenter, Christian Yelich, Gio Gonzalez, and Jeremy Hellickson.

Starling Marte has already nearly matched his HR total from 2014. Can he keep it up? Plus Tyson Ross, Neil Walker, Francisco Liriano and Brandon Phillips.

Shin-Soo Choo cost the Rangers serious coin, but hasn't really produced—until May. Can his hot streak continue? Also Richards, Morales, Dickey, and Gattis.

A look at what is next for the top relief earners through Memorial Day weekend.

Kolten Wong has been one of the top 2B early on in 2015, and he's not even 25. Is he a star in the making? Plus Michael Wacha, Khris Davis, Jason Hammel, and Freddy Galvis.

Stephen Vogt has become the most productive catcher-eligible bat in the game. A scan of his skill changes from 2014 to 2015 suggest it's no fluke.

Kole Calhoun has been a quality offensive producer, but is there more upside or downside in his future?