However, Bafana Bafana's record scorer, with 31 goals, is determined to make a swift comeback.
"I still feel a bit of pain but it's getting better by the day," McCarthy told Pirates' official website.
"Sitting out for six weeks is a long time, especially for a guy like me, who enjoys being on the field. Fortunately I've already started rehabilitation which will obviously speed up my recovery process.
"I hope to recover a lot sooner than what the doctors say but only time will tell," concluded the former FC Porto man.
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GEN De La Rey says the Stormers have had a pretty bad run when it comes to refs, assistant refs and TMO calls this season. He says such glaring ref errors have no place in the professional game.
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