San Antonio starting pitcher Adam Mazur went five innings and gave up only one unearned run as the Missions beat the Springfield Cardinals 3-2 on Friday night at Wolff Stadium.
Mazur (2-3) allowed five hits with one walk and four strikeouts.
Daniel Camarena pitched the ninth inning to earn his third save.
Missions manager Luke Montz was ejected while arguing a call in the top of the third inning.
Ripken Reyes, Nathan Martorella and Michael De La Cruz all had RBI hits for the Missions. Connor Hollis had two hits and scored twice and Graham Pauley had two hits and scored a run.