Jonathan Mayo is an MLB.com Draft and prospect expert. He has been a reporter for MLB.com since 1999.
|Jonathan Mayo answers fans questions about the Red Sox's Minor League rotation, the Arizona Fall League and more in this week's Pipeline Inbox.
More»Owens could boost Boston's rotation as early as 2015|
|One led all of the Minors in home runs and slugging percentage. The other topped all pitching prospects in batting average against while finishing third in ERA. It's for those reasons that Kris Bryant of the Cubs and Tyler Glasnow of the Pirates have been chosen as MLBPipeline.com's 2014 Hitting Prospect and Pitching Prospect of the Year.
More»Mayo on MLBPipeline.com's Prospects of the Year|
|Which prospect/rookie will have the largest impact in September and October? MLB.com's Jonathan Mayo argues that second baseman Kolten Wong is ready to play a vital role for St. Louis this fall.
More»Mayo, Callis on rookies impacting playoff races|
|Jonathan Mayo answers questions about Kris Bryant, the Arizona Fall League, the 2015 Draft and more in this week's Pipeline Inbox.
More»Cubs' Bryant on being named No. 4 prospect|
|Both Jim Callis and I agree that the Dodgers' Julio Urias is the best left-handed pitching prospect</b></a></span> in the game. Who comes next on that list is up for debate. While Jim is going with recent draftee Carlos Rodon of the White Sox, I'm sticking with Marlins southpaw Andrew Heaney.
More»Mayo, Callis look at left-handed pitching prospects|
|Cubs' slugger Kyle Schwarber dominated in August, hitting eight homers and 17 RBIs, which was enough to earn him the title of hitting Prospect of the Month. Red Sox's pitcher Brian Johnson allowed just two runs in four starts to earn him the pitching Prospect of the Month honors.
More» Kyle Schwarber, C, OF, Cubs|
|Monday is September 1, the day teams can expand their big league rosters to as many as 40 players. That doesn't mean every prospect will get the call. As teams make decisions about who to bring up to the parent club, a few variables will be taken into account.
More»Mayo discusses potential Sept. callups|
|Third-base prospect Kris Bryant's performance in Triple-A, where he has hit for both average and power, is worthy of a September callup to the Cubs, writes MLB.com's Jonathan Mayo.
More»Mayo, Callis discuss possible September callups|
|The Arizona Fall League announced its preliminary rosters for the 2014 season on Tuesday, and, for the second year in a row, the game's top prospect, Byron Buxton, is among myriad up-and-coming stars heading to the desert for some extra seasoning.
More»Jonathan Mayo discusses Arizona Fall League rosters|
|Did the Giants cash in on their prospects too early in an effort to add to their current roster? What's in store for Braves Kyle Kubitza? MLB.com's Jonathan Mayo responds to fans' questions about baseball's top prospects in the Pipeline Inbox.
More» Tyler Beede, RHP, Giants|
|Some of the top prospects in the game have needed Tommy John surgery over the past year. A total of five pitchers on the Top 100 prospects list have had the surgery and are at various stages of recovery.
More»Mayo on prospects who have had Tommy John surgery|
|Pirates prospect Josh Bell is legitimate and it's only a matter of time until he's hitting in the middle of a big league lineup manning a corner outfield spot.
More»Mayo, Callis on the best corner outfield prospect|
|Oakland outfielder Jaycob Brugman won Pipeline Prospect of the Week for the second week in a row, this time hitting eight RBIs in six games. Marlins lefty Andrew Heaney won the pitching honors after allowing just one earned run over two starts.
More» Jaycob Brugman, OF, Athletics|
|Mariners prospect Taijuan Walker has already shown an ability to dominate hitters at every level. His most recent start, on Sunday, could be a sign that he's ready to finish the season strong: seven innings pitched, two hits, one earned run, one walk and 13 strikeouts.
More»Mayo, Callis discuss best pitching prospect in Minors|
|The Area Code Games are similar to the East Coast Professional Showcase in that it gives scouts the chance to watch much of the top high school talent in the Draft class of 2015 play in games over several days. Just like with the East Coast Showcase, MLB.com polled several scouts in attendance to put together a top 10 performers from the Area Code Games.
More» Allard wins Perfect Game MVP|
|Teams that were sellers at the Trade Deadline are giving young players an opportunity to show what they can do, and fans of playoff hopefuls are thinking about next year a bit, too. The 2014 draftees are making their pro debuts, leading to questions about performances from those newbies.
More» Betts makes great leaping catch|
|Here's a look at five hitters and five pitchers from the 2014 Draft who have gotten off to outstanding starts in the Minor Leagues.
More»Mayo talks about 2014 Draft picks off to fast starts|
|Robin Wallace tried to leave baseball, on more than one occasion. Yet she couldn't help but come back to it. Hired by the Major League Baseball Scouting Bureau as an amateur scout in New England, Wallace became the only woman employed as a full-time scout. It appears that she's found a home, one that she isn't going to desert any time soon.
More»Wallace is baseball's only full-time female scout|
|Javier Baez, who will make his Major League debut for the Cubs on Tuesday, is more suited to help his team with production for the remainder of this season that his counterpart, Cardinals prospect Oscar Taveras.
More»Mayo, Callis make predictions on Taveras vs. Baez|
|The 2014 East Coast Pro Showcase is now in the books as the summer amateur showcase circuit continues to wind on. Here are the top performers from the event, including Daz Cameron, son of former big-leaguer Mike.
More»MLB.com looks ahead to the 2015 Draft|