Cal swingman Jaylen Brown’s draft stock is pretty fluid right now. He is expected to be a lottery pick, but it is unclear which pick he will be taken at. CBS Sports ranks him as the fourth-best prospect, NBA Draft Net ranks him sixth and Sports Illustrated ranks him eighth overall. He could land anywhere in the lottery.

While Brown’s draft stock may be in question, one thing that is not is his persona—which is much, much different from those of most basketball players. He took a grad school course as a freshman, rocks Asics, and was once captain of his middle school chess team. Yeah, not your typical NBA lottery pick. So with this being the case, here are 13 Things You Didn’t Know About Jaylen Brown.