Jim Callis is an MLB.com Draft and prospect expert. He has been covering the Draft and prospects since 1988.
|Plenty of right-handed pop is starting to percolate through the Mariners' farm system. Seattle has spent its last three first-round picks -- and $10,959,100 -- on righty sluggers Zunino, D.J. Peterson and Alex Jackson.
More»Prospects Peterson, Kivlehan on future with Mariners|
|The Padres' farm system has taken on a dramatically different look since the club hired A.J. Preller as general manager last August, but San Diego still has talent down on the farm, from top-ranked prospects Hunter Renfroe and catcher Austin Hedges to lower-level talent like Michael Gettys and Nick Torres.
More»Renfroe, Hedges talk catching, improving offense|
|The Brady Aiken saga has taken another turn. Aiken, the No. 1 overall pick in the 2014 First-Year Player Draft and a top prospect for this year's Draft, underwent Tommy John surgery on Wednesday.
More» Brady Aiken, Pitcher|
|Brendan Rodgers, the consensus No. 1 Draft prospect entering 2015, has held serve and still looks like the favorite to go first overall to the D-backs on June 8. But few of the other highest-rated talents have met expectations so far this year, leaving many more questions than answers at the top of the Draft.
More»Brendan Rodgers prepares for his senior season|
|MLBPipeline.com's Jim Callis examines standouts like Joc Pederson, and he weighs in on other breakout candidates at spring camp.
More»Seager and Pederson on making it to the Majors|
|The Rangers debuted several high-upside position players in the Rookie-level Arizona League in 2012. Three years later, third baseman Joey Gallo and outfielders Nomar Mazara and Nick Williams are on the verge of reaching Texas. Outfielder Lewis Brinson is a little further behind but has the best five-tool ceiling of them all.
More»Gallo, Alfaro discuss their work in Spring Training|
|In the past two decades, the Royals have enjoyed just three winning seasons and signed and developed just three pitchers who could manage 10 victories in a single year for Kansas City. Those two developments aren't unrelated, though the future looks brighter in both regards for the defending American League champions.
More»Manaea and Finnegan look back on 2014, ahead to 2015|
|In today's Pipeline Perspectives, Jonathan Mayo and Jim Callis debate which farm system has been the most productive since the end of the 2009 season. Jim's choice was the Nationals, while Jonathan's was the Cardinals. A few other systems deserve some kudos, so Jim ranked them.
More»Who has had the best system in the last 5 years?|
|The Nationals' farm system has had a fabulous five-year run, not to mention an impressive display of trading acumen by general manager Mike Rizzo. It already has resulted in two division titles and has helped make the Nationals one of the current favorites to win this year's World Series.
More»Who has had the best system in the last 5 years?|
|MLBPipeline.com's Jim Callis details Colorado's spring standouts and breakout candidates, and he catches up with lefty Kyle Freeland.
More»Gray, Butler pushing for 2015 success this spring|
|MLBPipeline.com's Jim Callis examines Taylor Featherston and other standouts at Angels camp, and he catches up with Hunter Green.
More»Heaney, Newcomb on attending Angels Spring Training|
|The organization that brought you Madison Bumgarner, Matt Cain and Tim Lineceum -- not to mention three World Series championships in the last five years -- has more pitching on the way.
More»Crick and Susac on improvement areas in 2015|
|The Cubs top MLBPipeline.com's first-ever ranking of baseball's best farm systems, thanks to the finest collection of young hitting talent to come along in years. Javier Baez and Arismendy Alcantara graduated to Wrigley Field in 2014, and they're just the beginning.
More» Bryant launches two home runs vs. Angels|
|What's more impressive? That the Red Sox graduated Mookie Betts, Xander Bogaerts, Jackie Bradley Jr. and Christian Vazquez to the big leagues in 2014? Or that they have baseball's No. 2 farm system without those players and trade chips Anthony Ranaudo and Allen Webster?
More» Yoan Moncada, INF, Red Sox|
|The Dodgers' system sticks out more for its superstar power than the depth, but there's talent beyond the big three of shortstop Corey Seager, left-hander Julio Urias and outfielder Joc Pederson.
More» Seager wins it with a walk-off double|
|MLBPipeline.com's Jim Callis weighs in Yairo Munoz and other breakout candidates, and he examines the top standouts at A's camp.
More»A's prospects Olson, Graveman discuss goals for 2015|
|The Rangers were ravaged by injuries last year, losing 95 games in their worst season since 1985. That was a stunning reversal for a team coming off four straight 90-win seasons, but Texas remained strong in one regard: It still has one of the strongest farm systems in the game -- literally and figuratively.
More» Joey Gallo, 3B, Rangers|
|MLBPipeline.com's Jim Callis weighs in on standouts like Kris Bryant, and examines more breakout candidates at Cubs camp.
More»Bryant, Russell on Cactus League experience with Cubs|
|The Giants may not get much more homegrown help beyond some relievers in the next couple of seasons. The organization's knack for developing pitchers is reflected in the fact that 12 of their 16 best prospects do their work on the mound.
More» Kyle Crick, RHP, Giants|
|San Diego's prospect list has thinned a bit since general manager A.J. Preller took over in August and gave the franchise a makeover, but there is still a solid core of players in the farm system.
More» Hunter Renfroe, OF, Padres|