Reymond Fuentes, OF, San Diego Padres
.333/.414/.471, 23 XBH (16 2B, 5 HR), 55/31 K/BB (68 G)
A forgotten part of the Adrian Gonzalez trade two years ago, Reymond Fuentes has come into his own after a disastrous 2012 season. His all-around ability is what made him a key piece of that deal with Boston, but the development of his bat will get him to the big leagues sooner than later.
Mike O'Neill, OF, St. Louis Cardinals
.315/.427/.387, 15 XBH (12 2B, 2 HR), 19/56 K/BB (77 G)
Undoubtedly the most unique prospect in the minors, Mike O'Neill doesn't boast one big league tool. But because of his small stature, pitchers have no idea how to work him and it allows him to boast that incredible strikeout-to-walk ratio.
Joc Pederson, OF, Los Angeles Dodgers
.299/.388/.522, 36 XBH (19 2B, 14 HR), 74/41 K/BB (82 G)
A Futures Game participant, Joc Pederson continues to be one of the most consistent performers in the minors. His stock as a future average big league regular continues to look bright.
The power-speed combination will give the Los Angeles Dodgers a lot to cheer about this Sunday in Citi Field.
Arismendy Alcantara, SS, Chicago Cubs
.270/.350/.471, 37 XBH (23 2B, 12 HR), 79/36 K/BB (87 G)
A sleeper prospect coming into the year, Arismendy Alcantara is starting to add more bulk to his frame and the results are showing in his offensive output. Even though he is probably a second baseman in the big leagues, the improved performance makes it easier to envision him carving out a big league career.
Ronny Rodriguez, SS, Cleveland Indians
.292/.312/.431, 27 XBH (17 2B, 6 3B, 4 HR), 46/9 K/BB (73 G)
Ronny Rodriguez has been aggressively pushed by the Cleveland Indians because his power is playing, but you can see that his approach and pitch recognition still need work.
That said, a strong .340/.367/.404 line in the past 10 games has bumped up his season numbers and could be a sign that the young shortstop is starting to figure things out.
Slade Heathcott, OF, New York Yankees
.253/.322/.372, 22 XBH (14 2B, 4 3B, 4 HR), 84/28 K/BB (75 G)
The top players in the Yankees' system coming into the year have gotten off to a slow start. Slade Heathcott was slow to adjust to Double-A but is hitting much better so far in July with a .423/.483/.538 line and three doubles in 26 at-bats.
Kaleb Cowart, 3B, Los Angeles Angels
.218/.283/.313, 18 XBH (12 2B, 5 HR), 76/28 K/BB (82 G)
Kaleb Cowart was one of the few bright spots in a depleted Los Angeles Angels' system coming into the year, but this season has not been kind to the 21-year-old. He may not have been ready for a push to Double-A after just 69 games in High-A that were solid but unspectacular.
Mikie Mahtook, OF, Tampa Bay Rays
.239/.319/.370, 29 XBH (18 2B, 7 3B, 4 HR), 73/32 K/BB (88 G)
Mikie Mahtook's struggles have been hard to pinpoint, as nothing seems to be working right since he signed out of LSU. The surprise is that his bat—which didn't have a lot of power but was advanced enough that you thought he could hit for average and get on base—has fallen so flat.
Joe Panik, SS, San Francisco Giants
.254/.339/.353, 24 XBH (18 2B, 3 3B, 3 HR), 38/42 K/BB (87 G)
Joe Panik has regressed the further up the ladder he has climbed. Double-A is often the step where you find out what a prospect is made of since the off-speed stuff and control get much better.
The San Francisco Giants shortstop hasn't taken to the new level very well.