The Cardinals outrighted Strzelecki to Triple-A Memphis on Friday.
Strzelecki had been removed from the 40-man roster earlier this week and has since passed through waivers. Having been outrighted previously, the 31-year-old has the ability to decline the assignment and become a free agent. Strzelecki has collected a 5.79 ERA and 8:6 K:BB over 14 frames in the majors this season.