Clemson coach Dabo Swinney knows his No. 1 Tigers are ready for the Atlantic Coast Conference championship game in Charlotte, North Carolina, on Saturday after grinding out a 12-0 season. Next up, No. 11 North Carolina, which has won 11 straight games since an opening loss to South Carolina. The Tar Heels (11-1) figure to be Clemson's toughest test in a month after several weeks of muddling through games against struggling opponents Syracuse, Wake Forest and the Gamecocks this past Saturday. North Carolina, the Tigers try at a second national title — their last 12-0 season was 1981's championship season — will be over. Tar Heels coach Larry Fedora said his players have steadily built up confidence with each victory, something he expects to peak against the Tigers even with the odds stacked heavily against them. The Tigers have been No.