Cape Town - The world's most experienced Test referee, Jonathan Kaplan, will officiate the Rondebosch v SACS clash on Saturday.
VIDEO: Preview: Paul Roos v Paarl Gym
Kaplan, 48, retired in November 2013 after 68 Tests.
Rondebosch and SACS are enjoying excellent seasons, with the latter coming off an impressive away win over Bishops last weekend.
Kick-off at Rondebosch is at 12:05.
Other matches in the Western Cape on Saturday:
Paul Roos v Paarl Gym
Brackenfell v Bishops
Paarl Boys' v Boland Landbou
Drostdy v Oakdale
Hugenote v Worcester Gym
Stellenberg v Outeniqua
Wynberg v Strand