Answer
Scarlets were the opponents CJ Stander faced in his Munster debut. The match took place on September 13, 2012, at Parc y Scarlets in Llanelli, Wales. Stander, who had recently joined Munster from the Bulls, made his debut as a replacement in the 60th minute. Munster won the match 29-17, with Stander making a significant impact in his short time on the field.