Defending AL Cy Young winner Cory Kluber stumbled out of the gate this year, but has since recovered. Cause for concern? Also Parra, Gregorius, Fiers, and Chris Johnson.

Exactly what the title says—a view into the bullpens in DET, BOS, OAK, TOR, ATL and SF.

Todd Frazier has built upon 2014's breakout season with an equally impressive encore this year. What are the odds he'll keep it that way? Plus Jake Arrieta, Ender Inciarte, Wily Peralta, and Yangervis Solarte.

Randal Grichuk owns the most power of any bat in MLB when hitting with runners on base, and it's not even close.

The dominant off-speed stuff of Raisel Iglesias has allowed him to be one of the game's most skilled starting pitchers against right-handed bats.

A new closer, yes, but will his genesis lead you to victory, or at least breathe new life into your team? Plus, a possible breakout in the making.

Coming off major neck surgery, Prince Fielder's (1B, TEX) current .330 average is a welcome sight - but has his trademark power come along for the ride? Also, Vogt, A. Garcia, Dickey, Wright.

The move to PETCO hasn't helped the ERA of James Shields, but his skills suggest it should improve going forward. Plus, Matt Cain, Brandon Belt, Michael Taylor, and Jake Lamb.

Kenley Jansen has been an elite pitcher over the past few years. Is it possible that his skills are substantially better than ever before? Plus Joc Pederson, Christian Yelich, Cody Asche and Tom Koehler.

Troy Tulowitzki brings his solid skill set - along with a lengthy injury record - to the AL. Also Shoemaker, Bogaerts, Odorizzi, and Fuld.

Valuations with an eye toward selling saves.