"He just kept the ball down, did a good job, made his pitches," said Caguas manager Dacio Valadez. "We didn't do a good job making adjustments, so we helped him out a little bit."
Robinson fired a 5-hitter and totaled 9 strikeouts and 2 walks in the shutout performance.
This season, Robinson has 10 wins and 10 losses and a 3.87 ERA.