Major League Baseball sources told FOX 26 Sports the Houston Astros will call up outfielder George Springer from Triple-A Oklahoma City on Wednesday.
Springer went 3-4 with a grand slam and four RBIs in the RedHawks 11-9 win in Colorado Springs Tuesday night.
He is hitting .353 this season with three home runs and nine RBIs.
Last season Springer hit .303 with 37 home runs and 108 RBIs while splitting time between Double-A Corpus Christi and Triple-A Oklahoma City.
The Astros took Springer with the 11th pick in the first round of the 2011 MLB First-Year Player Draft.
MLB sources also confirm the team optioned outfielder Robbie Grossman to Oklahoma City and Lucas Harrell has been designated for assignment.
Astros officials have not been available for comment.