Sri Lanka all-rounder Dasun Shanaka has become the first-ever player to score 50-plus runs in the death overs of a T20I chase. Shanaka achieved the feat during the third T20I against Australia, when his unbeaten 25-ball 54 helped the island team to beat the Down Under side and avoid a whitewash in the T20I series in Pallekele on Saturday. Shanaka …