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Not only has Alex Len entered the No. 1 overall conversation, but it also appears he might be driving it.

Jimmy Smith of The Times-Picayune was the first to report that Alex Len is now "the likely choice for the Cavs at the No. 1 spot." And I'm buying into it.

There shouldn't be much risk associated with the guy you're taking No. 1. And with Nerlens Noel, there's a cause for legitimate concern. He broke a growth plate in his knee in high school and tore his ACL in college. He's raw and limited offensively, and won't be much of a scoring option unless he's set up for an easy bucket. Noel also weighed in lighter than some NBA guards.

That's just a lot of questions for a No. 1 overall pick. The Cavs also want upside, and settling on Otto Porter would be a reach at first overall. Ben McLemore might be able to justify No. 1 overall value, but after Cleveland drafted Dion Waiters in 2012, the fit might be questionable.

Alex Len has more offensive upside than Noel, yet he can also provide a defensive presence. Len averaged two blocks a game, and at 7'1'', his size alone could have an impact.

Len has the potential to be the top two-way big man in this draft, given his advanced offensive game and physical tools. If the Cavs can't find a way to deal this pick, Len might be Cleveland's most promising option at No. 1.