The St. Louis Cardinals recalled ight-handed pitcher Carlos Martinez from Triple-A Memphis and optioned right-handed pitcher Michael Blazek to Memphis.
Martinez, 21, made seven relief appearances (0-0, 4.50 ERA, eight innings pitched, nine strikeouts) for the Cardinals in May.
Martinez was a starter with Memphis beginning with his initial option from St. Louis on May 27. He posted a 3-2 record with a 1.98 ERA in eight starts. He struck out 35 batters in 41 innings pitched, walking 16.