​We’re a couple of games into the NBA Summer League, and rookies, second-year players, and G League players are all trying to prove why they belong in the NBA. Several first-round picks have turned heads, while some lottery selections have shown exactly why they were drafted so high. While the media usually focuses on the players exceeding expectations, a few have struggled to live up to the hype. Here are three players who have underperformed so far this Summer League.MORE: 3 NBA teams who are most improved entering 2026-2027 seasonAdvertisementAdvertisementAdvertisementThe Atlanta Hawks selected Kingston Flemings out of Houston with the No. 7 pick in the NBA Draft.Flemings has appeared in four Summer League games, starting in all four. He’s made just 14 of his 44 shot attempts and committed six turnovers in his most recent game.Although he’s struggled offensively, Flemings has still flashed his elite defensive ability and, outside of his latest outing, has done a solid job taking care of the basketball. He hasn’t played up to expectations, but there’s still plenty of Summer League left.MORE: 3 NBA teams that have quietly won the offseason alreadyAdvertisementAdvertisementAdvertisementDrake Powell is a second-year player for the Brooklyn Nets. The former five-star recruit was selected with the No. 22 pick in last year’s draft.Powell has started four of Brooklyn’s five Summer League games. In those four starts, he’s averaged 22 minutes while making just 1 of his 28 field-goal attempts. He also hasn’t found any success from beyond the arc, going 0-for-14 from three.He hasn’t provided much defensively or on the glass. If these struggles continue, Powell could be on pace for one of the worst Summer League performances in recent memory.Alex Karaban spent four years at UConn before being selected at the end of the first round by the Sacramento Kings.AdvertisementAdvertisementAdvertisementKaraban has started both of the Kings’ Las Vegas Summer League games, averaging 23 minutes. He scored zero points in his first game and three in his second. Across those two contests, he has totaled just four rebounds while committing four turnovers.Karaban was never viewed as a superstar prospect, but he was still considered a worthy first-round talent. His Summer League performance has been disappointing, and with several second-round picks outperforming him, it’s becoming harder to justify that selection.— Enjoy free coverage of the top news & trending stories on The Big Lead —