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NewsJonathan Mayo is an MLB.com Draft and prospect expert. He has been a reporter for MLB.com since 1999.
 | Jonathan Mayo checks in on the Phillies' Arizona Fall League participants, led by talented outfielder Cornelius Randolph.
More»Cornelius Randolph on becoming better at Fall League |
 | Jonathan Mayo checks in on the Angels' Arizona Fall League participants, led by first base prospect Matt Thaiss.
More»Angels prospect Thaiss on playing in Fall League |
 | Jonathan Mayo checks in on the Mets' Arizona Fall League contingent, led by No. 11 prospect Luis Guillorme.
More»Mets prospect Luis Guillorme on getting better |
 | Braves prospects Austin Riley, Ronald Acuna, Alex Jackson, Jared James, Cordin Clouse, Max Fried, Josh Graham and Touki Toussaint are currently playing for the Peoria Javelinas in the Arizona Fall League, working to hone their crafts.
More»Austin Riley talks about Arizona Fall League |
 | The Glendale Desert Dogs finished the first week of the Fall League with a league-best 4-1 record. For Saturday's win against Mesa, the Desert Dogs have Pirates outfielder Logan Hill to thank. Hill hit a pair of homers, driving in all four Glendale runs en route to a 4-3 victory.
More»Pirates prospect Logan Hill talks at Fall League |
 | The group the White Sox sent to the Arizona Fall League this year does not include any of their upper-echelon prospects, but those who are here are trying to elbow their way onto the now-crowded radar in the organization. A pair of those Minor Leaguers, catcher Seby Zavala and outfielder Tito Polo, certainly opened some eyes with their performances on Friday in Glendale's 7-6 win in Surprise.
More»Zavala discusses solid day at the plate |
 | Jonathan Mayo answers questions about numerous prospects in the Arizona Fall League in this week's Pipeline Inbox.
More»Austin Riley talks about Arizona Fall League |
 | Ronald Acuna, the top-ranked prospect in the Arizona Fall League this year and the Braves' No. 1 prospect, had to leave Thursday's game in the second inning when he was struck on the left forearm by a pitch from Tigers right-hander Spencer Turnbull.
More» Ronald Acuna, OF, Braves |
 | The Tigers were impressed after seeing the three players they received in the deal, Dawel Lugo, Sergio Alcantara and Jose King, participate in instructional league play.
More» Dawel Lugo, 3B/SS, Tigers |
 | The rivalry across the state of Pennsylvania between Pittsburgh and Philadelphia, in a variety of sports, is well documented. On Wednesday afternoon, prospects from the Pirates and Phillies worked in unison to give the Glendale Desert Dogs a 5-1 win against the visiting Peoria Javelinas.
More»Keller discusses his first Arizona Fall League start |
 | First baseman Leonardo Seminati starred for the Italian national 18 and under team at the WBSC U-18 Baseball World Cup in Canada in September, hitting .424/.531/.654 with a pair of homers in 26 at-bats. He went from there to Arizona for his first action as a member of the Reds, participating in instructional league play, which runs through Oct. 14 for Cincinnati.
More»Mayo on Seminati's progression with the Reds |
 | For most of the Tigers prospects currently participating in instructional league play, action runs through Saturday in Lakeland. A trio of pitchers, however, used their time as a springboard to more fall baseball.
More» Spencer Turnbull, RHP, Tigers |
 | Blue Jays prospects Eric Pardinho and Chavez young represent two emerging baseball markets, Brazil and the Bahamas, at Blue Jays instructs.
More»Jonathan Mayo breaks down Blue Jays prospects |
 | At the start of the spring, Jacob Heatherly looked like he might be one of the best high school left-handers in the Draft class of 2017. An uneven senior season in Alabama forced him to drop on Draft boards, something the Reds are now extremely grateful for.
More» Reds draft LHP Jacob Heatherly No. 77 |
 | MLBPipeline.com is breaking down how each of the postseason teams was built, looking at the composition of Division Series rosters
More»Mayo breaks down how postseason teams were built |
 | Since the Tigers didn't send Justin Verlander to Houston until August 31, they barely got a look at prospects Franklin Perez or outfielder Daz Cameron. However, the two are making strong impressions in instructional league.
More» Daz Cameron, OF, Tigers |
 | The rosters of the eight postseason teams are dotted with many players from the 2011 Draft class, with players from the top of that year's first round currently playing. Six of the top 11 picks in the Draft have a chance for a ring, all but one with the team that drafted him.
More» Bauer whiffs eight over 6 2/3 innings |
 | A few of the Blue Jays' top picks were all together in Vancouver for the Northwest League's Short-Season, picking up a title along the way. First-rounders Nate Pearson and Logan Warmoth, along with third-rounder Riley Adams all performed well with Vancouver and are now wrapping a bow on their first pro experience at instructs.
More»Mayo analyzes Blue Jays prospect Nate Pearson |
 | Nick Howard and Jonathon Crawford have had a rough go of it early in their professional careers, but both are participating in instructional league play, and are showing signs of perhaps heading back in the right direction.
More»Mayo on Reds prospects Howard and Crawford |
 | After spending the bulk of his career in the infield, the Mets have introduced Jhoan Urena to the outfield, where he will continue to get work during instructs.
More»Mayo on Jhoan Urena transitioning to the outfield |
