23 off the last 12 balls was still possible in a T20 game .
Cooper followed Sami 's good work and scalped Darren Stevens and Mortaza off the first two balls of the 19th over .
23 off the last 12 balls was still possible in a T20 game but Cooper followed Sami 's good work and scalped Darren Stevens and Mortaza off the first two balls of the 19th over .