Matthew Dellavedova was labelled a "dirty player" by the US media during the earlier stages of the play offs against Chicago and Atlanta.
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But after Cleveland's Game 2 and Game 3 wins over the Warriors in the playoffs finals, the Cavs' back-up Australian point guard has emerged as the unlikely hero for his team.
The internet exploded with Chuck Norris-style memes about his emergence as an NBA star defender, with many people affectionately giving him nicknames - the Delly Lama, for one!
To prepare for Game 4 of the playoffs finals, we're asking you to come up with a nickname for our Aussie battler in the message wall.
Or if you just want to just wish him luck for the next game, you can leave him a message below.
Oh, and the No.1 selling jersey isn't Kobe Bryant's or Lebron James' or any other superstars, you guessed it ... Delly-Mania has truly hit the world. Then, there's also this: