Jonathan Mayo is an MLB.com Draft and prospect expert. He has been a reporter for MLB.com since 1999.
|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?|
|Our First-Year Player Draft experts, Jim Callis and Jonathan Mayo, take their first crack at projecting how the top 10 selections in 2015 will unfold.
More» Brendan Rodgers, HS Shortstop|
|MLB.com's Jonathan Mayo believes Astros speedster Delino DeShields Jr. and Braves right-hander Cody Martin are the best Rule 5-eligible players not added to 40-man rosters.
More»Callis, Mayo on best prospects in 2014 Rule 5 Draft|
|Jonathan Mayo discusses the Braves leaving Cody Martin and J.R. Graham off the 40-man roster, the recent prospect trades and more in this week's Pipeline Inbox.
More» Cody Martin, RHP, Braves|
|Before making it to the big leagues, the obvious ultimate goal for any prospect, there is another milestone each hopes to reach: being added to his organization's 40-man roster. For many, that decision was made Thursday.
More» Noah Syndergaard, RHP, Mets|
|The 23rd edition of the Arizona Fall League wrapped up with Salt River's win in the championship game over Peoria on Saturday. Once again, the AFL was jam packed with elite-level prospects. That made putting together a top prospects list fairly easy. There were so many good players, it was decided to expand the list to a Top 25, up from the typical 20.
More» Buxton exits game after injuring finger|
|Cubs third baseman Kris Bryant and shortstop Francisco Lindor of the Indians are projected to make big-time Major League contributions in 2015 that could land them Rookie of the Year Award hardware.
More»Mayo, Callis on 2015 ROY candidates|
|The Arizona Fall League regular season is complete, with just Saturday's championship game yet to be played. With all but the Salt River Rafters and the Peoria Javelinas packing up and heading home, it seemed a good time to start taking a look at the best the 2014 AFL had to offer.
More» Appel works five innings of one-hit ball|
|Cuban phenom Yoan Moncada worked out in Guatemala on Wednesday in front of an estimated 60-70 scouts and all reports point to the teenaged infielder being as good as advertised.
|Every fall, Minor Leaguers raise their stock with their performances in the Arizona Fall League. The caveats that are typically thrown out when discussing such matters: it's a small sample size and the AFL is always very hitter-friendly. But it's also true that every year, expectations around some prospects are heightened based on what they did during six weeks in the desert.
More» Greg Bird's solo homer gives East 1-0 lead|
|There were 12 players headed toward free agency who were given qualifying offers to stay with their old clubs. On Monday, as the deadline passed, all 12 declined the offers. That means there is the possibility of a dozen additional Draft picks come June.
More»Ken Rosenthal discusses key free agents|