Zach LaVine is an amazing dunker. Everybody knows that.

The rising Timberwolves‘ star is now the back-to-back NBA Slam Dunk Contest champion and had to beat some talented competition to do so.

As two-time champion, young Zach is a well-qualified source of information to go to when seeking knowledge on the possibilities of the slam dunk. However, when he appeared on SportsNation, even the champ was willing to admit, there are just some dunks that he will never be able to do.

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The illusive double-between-the-legs slam dunk. Both annoying to say and extremely hard to do.

How long will it take for someone to answer the challenge with a post to their Instagram? My guess is by the end of the week, and whoever does it first is going to break the internet.