Iowa-LHP Gerardo Concepcion
The Cuban turned a great start in AA into a major league debut. Beginning the season with 17.2 scoreless innings at Tennessee (1-0, 5 H, 4 BB, 17 K), Concepcion was promoted to Iowa on May 12 and added 6.2 more scoreless frames until El Paso scored on May 26. In 12 games at Iowa, he sported a 2.60 ERA in 17.1 innings and when Clayton Richard went of the DL with a blister, got the call to Chicago. After being added to the 40-man roster, Concepcion made his MLB debut on June 21 at Wrigley against the Cardinals, striking out a pair and retiring all four hitters he faced. In three games for Chicago, the lefty faced 10 batters, allowing two hits (both doubles) and a walk that led to a run. He was sent back to Iowa on June 27 and has struggled, allowing 16 hits and 11 runs in 6.2 innings with a BABiP of .448.
Tennessee-2B/3B Chesny Young
The 2015 Carolina League batting champ keeps collecting hits in the Southern League—sixth best with 94. Young started the season for the Smokes at second base and when Ian Happ arrived in town, the versatile 23-year-old moved over to third. Hitting .284/.373/.360 with 15 stolen bases and a career-best three homers, Young continues to impress at the plate with 46 BB and 48 K in over 350 plate appearances.
Myrtle Beach-OF Rashad Crawford
The Cubs 11th round pick in Theo Epstein’s first draft back in 2012, the Georgia native has really put it all together this year in Myrtle Beach after a slow climb up the organization. In 78 games, the lefty is batting .253/.326/.393 and contains to increase hi walk rate and cut down on strikeouts. Crawford has also filled out his 6-foot-3 frame and already has career high in doubles (18) and triples (8) while stealing 19 bases.
South Bend-LHP Carson Sands
The Cubs 4th round pick in 2014, Sands turned down a scholarship to Florida State and turned pro. The 21-year-old is approaching new territory as he’s already thrown a career-high 63 innings as he works his way through his first full season. In 13 starts, the left-hander is 7-2 with a 4.29 ERA and a 1.40 WHIP. Sands fired his best outing on June 28 against Lake County, blanking the Captains on three hits in seven innings.
DSL Cubs 2—C Miguel Amaya
Considered the top Panamanian prospect in the 2015 IFA class, Amaya participated in fall instructs and then showcased his defensive skills at extended spring training. The 17-year-old got off to a hot start, batting .292/.403/.415 in June but the league has adjusted and he’s hitting .208/.264/.292 in July. He ranks third on the team in runs (20) and RBI (15).