Clermont lock Flip van der Merwe received a four-week ban for pushing a referee out of the way at a ruck.
The former Bok slammed the ruling on Twitter:
I love rugby, but I do hate what it has become!! 4 weeks for this? #getoutofmyway pic.twitter.com/lyT0H3ZOly
— flip van der merwe (@flipvandermerwe) May 24, 2018
