A PITCHf/x look at Chapman and the different levels of his fastball.

In an era where relievers are incredibly variable, the most consistent of them all is hanging up his spikes.

What did the Astros see in Alex White, and what can we expect going forward?

After high expectations and a good debut, Dustin Ackley had a horrible 2012. How much of a rebound can we expect from him this season?

While Baltimore is projected to regress, O's fans are hoping that their young star will keep that from happening. What could we see from Machado in his first full season?

Luis Cruz emerged last season as an effective player on the left side of the Dodgers' infield. How'd a career minor-leaguer have such an effect?

While it seemed like Greg Maddux was untouchable on top of the National League pitching mound from 1992-95, Jose Rijo had one season that was overlooked by many.

With all the fuss being made about Ricky Romero's sinker, there are even more problems that caused his enormous drop in performance in 2012.

Torii Hunter had a near career year at age 36/37 last season, but there were a few alarming rates that could lead to a quick demise.

Jarrod Parker pitched his first full season in the majors in 2012, let's take a look at his PitchF/X data.