With the 2012 minor league season in full swing, we take our first tour around the minors to see who's hot, who's not, who's hurt, and who's ready to break out.

Call-ups from the minors for April 26, 2012: Miller and Hottovy.

While the 2012 season is not yet a month old, injuries and slow starts are already prompting clubs to consider making roster changes. Many of the early season call-ups will hardly cause a ripple in your free agent pool, but there are impact prospects who could reach the majors sooner than anticipated.

Call-ups from the minors for April 19, 2012: Pollock and Tazawa.

Now that the dust has settled on spring training and 25-man rosters have been finalized, we can get a clearer picture of the likely candidates for the 2012 AL and NL Rookie of the Year Awards. While there are plenty of high-profile prospects expected to be the early pace-setters, the rookie of the year field is notoriously difficult to handicap.

Call-ups from the minors for April 12, 2012

Call-ups from the minors for April 9, 2012

Call-ups from the minors for April 8, 2012

This is the last installment of our annual review of the top prospects in baseball by position. With the regular season starting, some of the players listed below have won jobs in the big league bullpen while others are on the cusp waiting for their opportunity. Unlike other positions, there aren't many top relief pitching prospects in the lower minors.

Call-ups from the minors for April 7, 2012

With the start of the regular season less than a week away, we continue our annual review of the top prospects in baseball. This week we take a look the top starting pitching prospects in the game. Each year there seems to be a bevy of talented young hurlers that establish themselves as rotation mainstays.