NBC Sports
updated 7/23/2013 11:47:46 AM ET 2013-07-23T15:47:46

Jonas Valanciunas showed up to Las Vegas NBA Summer League and the first thing you noticed was his physique — the 21-year-old had hit the gym and filled out his upper body considerably. He then used that new strength to be the most dominant player in Las Vegas — he averaged 18.8 points per game…

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