Sanmartin struck out two across one scoreless inning in Wednesday's 2-1 loss to the Astros.
Sanmartin entered in the ninth inning, striking out two of the three batters he faced while throwing nine of his 15 pitches for strikes. He's logged three scoreless outings in seven appearances this season, posting a 9.45 ERA, 1.95 WHIP and 7:2 K:BB across 6.2 innings.