After beginning his coaching career with the under-17 Free State side, Cilliers served as fitness trainer under Andy Moles from 2000 to 2001 and under Corrie van Zyl for the Free State side in 2002. Cilliers served as Knights fitness trainer and then later as assistant coach to Corrie van Zyl from 2003 to 2009.
Central Franchise CEO, Johan van Heerden, commented: "It is very sad to say goodbye to Sarel. Thank you for what you did for Free State Cricket Union and the Eagles/Knights. You were a fantastic professional and an example for any professional cricketer."
Cilliers posted on social media yesterday: "And so it ends where it all started in '89, in Potch. Cheers to the wonderful game and all the great people I have played with, worked with and have had the privilege to call cricketing friends. It has been a great ride!!"
Interim Coach, Boje, will take charge of the VKB Knights for his first game when they travel to PPC Newlands to take on the Warriors in the first RAM SLAM T20 Challenge match of the season.
As a cricketer, Boje played 43 Tests and 115 One-Day Internationals as an all-rounder for South Africa between 1995 and 2006. He had match-winning analyses in both India and Sri Lanka to finally established him as the Test No. 1 spin bowler in 2000-01. He had a big role to play in the final Test of the New Zealand tour of 2003-04, when his eight-wicket haul helped South Africa to a series-levelling win.
He finished his international career with 100 Test wickets. He went on to play in the Indian Champions League and in 2008 was appointed captain of Northamptonshire. In that season, he recorded his highest ever first-class cricket score of 226*.
He returned to the Knights from 2010-11 until 2013-14 and continued his passion for cricket when he was appointed as head coach for the Free State Cricket Union Academy in 2014.
Boje will fulfil his role as head coach for the VKB Knights until the end of April 2016, with the new permanent appointment effective from May 2016.