AUS vs SA 3rd T20I: Why are Australia players wearing black armbands?

Australian cricketers paid tribute to Bob Simpson ahead of the 3rd T20I match vs South Africa. They wore black armbands to honor the former captain and coach. Simpson passed away at the age of 89. He was a pivotal figure in Australian cricket history. He contributed as a player, captain, coach, and commentator. Simpson's impact on the sport is widely recognized.