Thoughts and observations on an April high-A series between Nationals and Royals.

Call-ups for April 27, 2015: Heath Hembree (RHP, BOS), Cody Stanley (C, STL), Aaron Brooks (RHP, KC), Jorge Rondon (RHP, COL), and Cory Mazzoni (RHP, SD).

Quick hits on a number of meaningful prospects, including Lindor, Holmes and Verdugo.

After a recent outing, a new short take on Phillies pitching prospect Aaron Nola.

Call-ups for April 20, 2015: Kevin Plawecki (C, NYM), Andrew Susac (C, SF), Dean Anna (IF, STL), and Hansel Robles (RHP, NYM).

Some of the game's top prospects are just a step away from the majors.

Call-ups for April 13, 2015: Scott Oberg (RHP, COL) and A.J. Schugel (RHP, ARI).

Minor league action is now under way, and many fans look for teams loaded with top-of-the-line prospects. Here are some minor league teams in the lower minors worthy of your attention.

Minor league rosters are close to being finalized and real games are quickly forthcoming. Here are six proclamations on the upcoming season, along with reasons why they will—or won't—come to fruition.

Drafting this weekend? Don't forget your Minor League grids....

This week we continue our annual review of the top prospects in baseball by position, both in the short term and long term. Next up: relief pitchers.