The Mariners’ big catcher is struggling with right-handed breaking balls.

Three methods for ranking players objectively.

Low-velocity, high-strikeout guys don’t come around often.

The Brewers’ second baseman is struggling, badly, and something isn’t right.

What could this base-stealer do in the majors?

The Giants’ first basemen is finally finding success with a rare approach.

The 20-year-old rookie is certainly making his case.

He’s having his best year since the move to Citi, and it looks real.