Munster ground out a hard-fought 10-3 victory over the Stormers at a drenched Thomond Park after academy lock Edwing Edogbo's second try in five.
Wing Leolin Zas will play his 50th match for the Stormers in the United Rugby Championship encounter with Munster on Saturday.
Springbok lock Jean Kleyn was named the Player of the Year at Munster's annual awards ceremony on Thursday night.
Late tries from Andrew Conway and Ethan Coughlan earned Munster a 34-21 bonus-point win over the Sharks in their URC opener at Thomond Park.
The United Rugby Championship leaps into action this weekend with the Sharks in round one action against Irish side Munster at their home ground Thomond Park on Saturday.
Keith Earls has announced his retirement from rugby following a 16-year professional career with Munster and Ireland.