Career
His regular position is scrum-half or wing. 2013 Southern Kings Super Rugby season
He was included in the Kings squad for the 2013 Super Rugby season. However, he was just included in the matchday squad for the first game of the season against the Force, coming off the bench to make his Super Rugby debut.
He returned to SWD Eagles for their 2013 Vodacom Cup campaign, but suffered a cruciate knee ligament injury after three appearances and was ruled out for the remainder of the Super Rugby season.
Pumas
He moved to the Pumas for the start of the 2014 season, but missed the entire season through injury. Herbst made seven appearances during the season, scoring one try.
Varsity Cup
He also played for Maties in the 2009 and 2010 Varsity Cup competitions.