With this 76-ball innings, which saw him score as many as 16 fours and 10 sixes, Finch broke a plethora of records.
Aaron Finch scored 172 runs against Zimbabwe in the third T20.
Finch followed two deliveries later to give Muzarabani the respectable figures of 2-38 off four overs.
1 - Finch might be dismissed in the last over via hit-wicket falling short of the all-time T20 record score but became the first Australian to be dismissed via hit-wicket in the T20I cricket. When Finch departed, rather bizarrely by being hit wicket, he had become the highest run scorer in T20I. The Australian captain blasted 172 in just 76 balls with 16 fours and ten sixes to rewrite the T20I record held by himself.
He and opening partner D'Arcy Short's stand of 223 was the highest-ever worldwide T20 partnership, with Short very much the silent partner with a 42-ball 46.
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Finch's 172 left him three short of Chris Gayle's highest-ever T20 innings which he made for Royal Challengers Bangalore in the Indian Premier League five years ago, against a Pune Warriors side captained by Finch.
Finch's previous record knock stood for almost five years: 156 off 63 against England at Southampton in 2013. The 31-year-old just needed 50 balls to bring up his hundred, his second in T20Is. "They don't happen very often, so very pleased with it", Finch said after receiving his man-of-the-match award. It's coming on the bat quite nicely.
"The wicket played better than we thought". Yeah I did know about it ( holder of two highest individual T20I scores), it's just one of those days where few things went my way.
"It came on well", Finch said at the innings break.
Australia took 75 from the Powerplay, with Finch doing the bulk of the scoring while Short was content to turn the strike over to his big-hitting partner.