Nicholas Kerr is focused and serious as he paces the sidelines in front of the scorer's table near his team bench. Then there's a moment Kerr finally lets his guard down a little, cracks a smile and starts chatting to people keeping statistics and working the game. Each day, the young coach strives to find a balance between fun and fire while leading Golden State's development G League team, which has none of the big stars — like Stephen Curry — that his famous father gets to coach every day just a couple of hours away.