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Jonathan Mayo is an MLB.com Draft and prospect expert. He has been a reporter for MLB.com since 1999.
 | Jonathan Mayo and Jim Callis are making their selections of who they think will lead the Minor Leagues in stolen bases in 2015. This is the second straight year they've tried to get this race right, and after how 2014 went down, no one would blame Mayo for being cautious with this year's prognostication. But instead of the safe bet, he's going with the worst kept player to be named secret in Trea Turner.
More»Turner, Quinn could lead the Minors in steals in 2015 |
 | Jonathan Mayo discusses questions surrounding the release of MLB Pipeline's top 10 position rankings lists. He breaks down the catchers, right-handed pitchers and left-handed pitchers that have made said lists.
More» Gary Sanchez |
 | As has become an annual occurrence, the list of top first basemen lacks a bit in the elite prospect department. But there is good news: There are two players on this list on this year's Top 100: Josh Bell of the Pirates and Matt Olson of the A's. That doubles the total from the 2014 preseason list.
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 | The only thing that could keep Jesse Winker from really competing for a batting title is if he hits so well the Reds decide in the second half that he's needed in Cincinnati. But a much more likely scenario is the outfield prospect raking all year in the Minors, across Double- and Triple-A, and then perhaps getting a September callup.
More»Mayo, Callis predict best batting averages in Minors |
 | There are always a ton of right-handed pitchers on the Top 100 Prospects list. The 2015 version is no different. All 10 on the list are in the Top 100, and then some. Some of the names are familiar. Five right-handers -- The Mets' Noah Syndergaard, Archie Bradley of the D-backs, the Rockies' Jon Gray, the Orioles' Dylan Bundy, Robert Stephenson of the Reds -- were on this list a year ago.
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 | A group of the game's up-and-coming stars gathered outside of Washington D.C. for the annual Rookie Career Development Program. For more than two decades, Major League Baseball and the Major League Baseball Players Association have joined forces to create this event, designed to help future big leaguers avoid the kinds of pitfalls that have kept many players from being able to focus on that on-field work.
More»2015 RCDP offers prospects off-the-field guidance |
 | Jonathan Mayo takes an early look at potential 2015 Rookie of the Year candidates in each league, beginning with two recent Cuban signees -- Rusney Castillo of the Red Sox and Yasmany Tomas of the D-backs.
More»Mayo breaks down prospects with most to prove in 2015 |
 | After finished eighth in the Minor Leagues in strikeouts in 2014 with 157, despite not making his first start until April 25 and being brought along slowly because he was returning from a back issue, Pirates righty prospect is expected to lead the Minors in Ks in 2015 according to MLB.com's Jonathan Mayo.
More»Mayo, Callis predict 2015 prospect strikeout leaders |
 | The calendar has officially flipped to 2015. We're always future-looking here at MLBPipeline.com, so we're more than happy to look ahead to the 2015 season and beyond. With that in mind, this week's Pipeline Inbox includes discussions on a number of players who could be coming to a big league ballpark near you soon.
More» Matz fans three in scoreless seventh inning |
 | Matt Olson has proven he has an ability to adjust to the play at the levels he's been through, and at 21, his power is impressive. Jonathan Mayo says that's enough to lead the Minor Leagues in homers.
More»Who will lead the minors in home runs in 2015? |
 | The offseason trading frenzy has been exciting, if a bit dizzying. There might be more yet to come, but for the time being, I figured it made sense to make this week's Inbox all trade-related. Goodness knows, we have enough to talk about.
More»Brock on Padres acquiring Myers in three-team trade |
 | As A.J. Preller has worked tirelessly to remake the San Diego Padres' big league roster, he has not been afraid to send prospects or young players away to get the Major League pieces he desires. Once the Justin Upton trade becomes official, a total of 12 players who appeared on the Padres' Top 20 list at some point in 2014 will have been dealt.
More»A's get prospects Hahn, Alvarez in deal with Padres |
 | No one can accuse new Padres general manager A.J. Preller of standing pat. News of the huge three-team, 11-player deal that netted him Wil Myers had just settled in when the Matt Kemp deal was finalized. The ink on that one had barely dried when Preller was at it again, this time sending young players to the Atlanta Braves in return for Justin Upton. Here's a closer look at who the Braves are getting in return for Upton.
More»Braves getting good return in J. Upton trade |
 | Major League organizations have until 5 p.m. ET on Friday to put in bids for Korean slugger Jung-Ho Kang, a shortstop who has reportedly drawn interest from the Giants, A's, Padres, Royals, Nationals and D-backs.
More» Jung Ho Kang's two-run shot puts Korea ahead |
 | Was keeping track of all the moving parts in the massive three-team deal involving the Tampa Bay Rays, San Diego Padres and Washington Nationals a difficult task? To help sort things out, Jonathan Mayo helped break down who went where.
More»Mayo breaks down Rays' additions Souza, Smith, Bauers |
 | Working as a scouting director automatically brings a certain amount of job instability. This offseason made the scouting director's chair a true hotseat. There were no less than eight new scouting directors named
More» Montgomery on D-backs' first pick Toussaint |
 | The buzz heading into Thursday's Rule 5 Draft was that this year's pool of eligible players was better than it had been in recent years. The activity in the Major League phase, at least compared to a year ago, did seem to reflect that.
More»Callis, Mayo recap the Rule 5 Draft |
 | Every Winter Meetings has a coda to it, an event that doesn't generate the same kind of buzz as all of the trade and free-agent rumors that fill the hotel lobby throughout the Meetings' first three days. But it does involve players changing organizations and, invariably, new big league careers come out of it.
More»Callis, Mayo preview the 2014 Rule 5 Draft |
 | With the release of our Draft Top 50 prospects list, there's some good Draft talk going on, even if the event is still six months away. So this week's Inbox is dedicated to questions about the 2015 First-Year Player Draft.
More»Top options for the 2015 First-Year Player Draft |
 | MLB.com's Jonathan Mayo believes Duke righty Michael Matuella should be the No. 1 pick in the 2015 First-Year Player Draft.
More»Who will be the first pick in the 2015 Draft? |
