CLEMSON, S.C. -- Dabo Swinney has a knack for finding a silver lining. It has been his defining trait over the past five seasons, as Clemson has hovered near the top of the ACC, but frustratingly far from the run of dominance it enjoyed in the 2010s. In a loss, Swinney found lessons. Even after a blowout, he saw hope. Even in the midst of fan revolt, he found all the evidence he needed of an inevitable turnaround within his own locker room.

Perhaps that's what's most jarring about Clemson's most recent bout with mediocrity. It's not just that the Tigers, the prohibitive favorite in the ACC to open the season, are 1-3 heading into Saturday's showdown with equally disappointing and 2-2 North Carolina ( noon ET, ESPN ), but that Swinney's usual optimism has been tinged with his own fru

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