By Matt Audilet The No. 4 Duke Blue Devils are set to face off against the unranked North Carolina Tar Heels in a highly-anticipated rivalry matchup at Cameron Indoor Stadium on Saturday night. Coach K and his squad notched a wire-to-wire, blowout victory during the first installment of this year’s series in Chapel Hill, and the Blue Devils are widely expected to repeat that performance this weekend. According to ESPN’s Basketball Power Index, Duke has an 87.3% chance to claim victory over it’s arch rivals at home. Duke took down UNC 87-67 in their first meeting back on Feb. 5. Since then, the…