The San Diego Padres have acquired Ronald Herrera from the Oakland Athletics to complete this month's Kyle Blanks trade.

The trade, reached on May 15, also sent Jake Goebbert to San Diego. Herrera, 19, has spent the season in the rotation for Oakland's Class-A affiliate.

He has a 3.38 ERA with 6.2 K/9 and 1.8 BB/9 in 50 2/3 innings of work.