![MELBOURNE, AUSTRALIA - JANUARY 01: Wicketkeeper Sam Harper of the Stars looks on during the Big Bash League match ...](/web/20170526025146im_/http://www.theage.com.au/content/dam/images/g/t/w/y/p/z/image.related.landscape.460x307.gwdle0.png/1495764381436.jpg)
ICC 'yes' to first-class concussion substitutes trial
Cricket Australia's bid for concussion substitutes to be permanently introduced has taken an important step with the world game's governing body agreeing to relax its archaic rules in a two-year trial.