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How four NBA sophomores can take the leap this season

How can Lonzo Ball become a better fit next to LeBron James? David Richard/USA TODAY Sports

For as electric as some rookies were last season, the 2017 NBA draft class still faced expected early struggles. With training camp only a couple weeks away, let's take a look at exactly what four former top-10 picks need to do in order to make a jump this upcoming season.

Lonzo Ball, Josh Jackson, De'Aaron Fox and Dennis Smith Jr. all showed impressive glimpses, but there's still quite a bit of room for growth heading into Year 2.

What's most important for each prospect to improve in order to live up to his lofty draft slot?