SAN ANTONIO — Arnaldo Hernandez pitched six shutout innings in his return to Triple-A as Omaha beat San Antonio 7-2 on Saturday night.

Hernandez, the Royals’ 26th-ranked prospect according to MLB.com, was demoted to Double-A Northwest Arkansas on May 8 after allowing 29 earned runs in his first six appearances for the Storm Chasers (27-30). The 23-year-old Venezuelan right-hander was reassigned to Omaha on Friday after posting a 1.96 ERA in four starts with the Naturals.

On Saturday, he scattered three hits and a walk to earn his first Triple-A victory of the season. The Missions (35-22) failed to move a runner into scoring position against Hernandez, and he retired the last seven batters he faced.

Nick Dini doubled, homered and drove in four runs for the Chasers, who have won six of eight.

Lucas Duda and Samir Duenez each added two hits.

With two runners on and one out in the second, Dini drove a 1-0 pitch from San Antonio starter Burch Smith over the left-field wall for his sixth homer of the season and a 3-0 lead.

The Chasers scored three more in the third on RBI singles by Erick Mejia and Duenez and Elier Hernandez’s run-scoring double.

Dini tacked on a run with one out in the sixth when he doubled home Duenez on a liner to center.

The four-game series wraps up Sunday at 2:05 p.m.

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