Memphis Redbirds reliever Mark Rzepczynski is heading back up I-55 to St. Louis.
The Cardinals recalling the lefty Thursday giving them three southpaw relievers.
The 27-year-old Rzepczynski was sent down to AAA April 29.
He went 1-2 with a 3.07 ERA for the Redbirds while limiting left-handed hitters to a .185 batting average.
Rzepczynski appeared in 70 games with St. Louis last season.
The Cardinals send down 21-year-old Carlos Martinez for his second stint with Memphis.
He was the organization's minor league pitcher of the month in June, and is among their top prospects for a future rotation spot.