Jorge Soler's strikeouts are up and home runs are down so far, but both numbers should improve in short order. Plus, Chase Utley, Lucas Duda, Shelby Miller, and Mike Fiers.

Arrieta came seemingly out of nowhere to have a breakout 2014 campaign, but can he repeat in 2015? Plus Todd Frazier, Lance Lynn, Brandon Belt, and Doug Fister.

Mark Teixeira is hitting home runs like in the old days. Can he stay on the field and help the Yankees continue their winning ways? Also Hutchison, Sandoval, Pelfrey, and S. Perez.

Is the Cubs' enigmatic shortstop a chronic underachiever, or is he on the cusp of finally reaching expectations?

Mark Trumbo is looking to recover from a career-worst performance in 2014. How do the early returns look? Plus James Shields, Jay Bruce, Tim Lincecum, and D.J. LeMahieu.

Anthony Rizzo is flashing his wheels in 2015, adding to his already substantial value. Plus, Josh Harrison, Jason Heyward, Jordan Zimmermann, and Jason Marquis.

Dee Gordon is off to an amazing start; can any of it last? Plus Alex Wood, Wil Myers, Anthony DeSclafani, and Zack Cozart.

J.D. Martinez is producing power for the potent Tigers lineup—can he repeat last year's .300+ BA? Also Sale, Rasmus, Eovaldi, and D. Santana.

Fact/Fluke Spotlight returns, and shines its beams on the hot start of Mike Moustakas.

Corey Kluber has followed up his 2014 Cy Young season with a 4.62 ERA through five starts. Any cause for concern? Plus Jason Kipnis, Dustin Pedroia, Clay Buchholz, and Marcus Semien.

Miguel Cabrera's HR total tumbled last season, and the injuries are starting to pile up—has he entered decline at age 32? Also, Boxberger, Shoemaker, Castro, Weeks.