Because that is code for "guys who aren't that good." UNC has had tremendous success with keeping OAD level players on campus for 2-3+ years.
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This year, when UNC finishes in the top 2-3 of the ACC, and makes a nice run to the Sweet 16 or Elite 8, only to watch Little and White go pro, decimating next year's team, UNC fans will see the downside to top level recruiting. UNC's run of OAD talent that stuck around forever is over. They are now after top level players, getting more of them, but soon won't have experienced older players.
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Look, if a coach can ID players that can contribute at a high level for 2-3 years, great. Duke likely has 2 of them on the team in AOC and Baker.
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Next year could be a bump. Or.....