(CNN) Bernie Sanders just might win the South Carolina primary on Saturday.

While the top-line number draws the eye, it's a series of other questions sprinkled throughout the poll that seem to suggest a path to a massive upset victory does, in fact, exist.

Consider:

1) Roughly 1 in 3 Biden backers in the poll (32%) said they might vote for another candidate on Saturday. Just more than 1 in 10 Sanders supporters (12%) said the same. That's broadly consistent with what we've seen throughout this primary to date; Sanders has the most committed support, while Biden's has been among the least committed.

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