Barreto, 19, has been one of Stockton's most consistent bats this season. He has 21 doubles and nine homers to go with 38 RBIs and has also added eight stolen bases. Signed out of Venezuela in 2012, he has improved his home run count in all three of his Minor League seasons.
The 5-foot-9 shortstop is batting 21-for-44 (.477) with three doubles, three homers and five RBIs during the 11-game hitting streak.
Athletics No. 9 prospect Raul Alcantara had his longest scoreless outing of the season for Stockton. The Dominican right-hander allowed two hits, no runs and struck out two hitters in four innings and has a 4.03 ERA in 18 1/3 innings this year.
Alex M. Smith is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.