Karasev's focus 

July, 23, 2013
7/23/13
1:19
PM ET
Cleveland rookie Sergey Karasev may only be 19, but the versatile swingman out of Russia has the experience, high basketball IQ and ability to both shoot from long range and distribute the basketball to carve out a key role on the Cavaliers next season.

But if Karasev is going to make a big impact in year one, he's going to have to improve in one area.

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