Sheffield Shield of New South Wales, Victoria and South Australia were already playing each other in ad-hoc matches. The new tournament commenced in the summer of 1892–93, mandating home and away fixtures between each colony each season. The three teams competed for the Sheffield Shield, named after its benefactor. A Polish immigrant, Phillip Blashki, won the competition to design the trophy, a silver shield. The competition therefore commenced some 15 years after Australia's first Test match. In 1999, the Australian Cricket Board (now Cricket Australia) announced a sponsorship deal which included renaming the Sheffield Shield to the Pura Milk Cup, then to
2017–18 Sheffield Shield season to do so in a first-class match. In the final round of fixtures, Tasmania beat the defending champions, Victoria, by 156 runs to advance to their first Sheffield Shield final since the 2012–13 season. They faced Queensland at Allan Border Field in Brisbane. In the final, Queensland beat Tasmania by nine wickets to win their eighth title and their first since 2012. This was also the final season for Doug Bollinger, Ed Cowan, Ben Cutting and Michael Klinger. New South Wales named the following squad for 2017-18. Players with international caps are listed in bold. Queensland named the following squad