No. 1 Duke narrowly defeated Florida State 80-79 in the Atlantic Coast Conference Tournament quarterfinals, with Isaiah Evans scoring a career-high 32 points.Cameron Boozer added 23 points and 10 rebounds for Duke, while Lajae Jones led Florida State with 28 points in the closely contested game.Clemson also advanced with an 80-79 win over North Carolina after nearly losing a significant second-half lead, setting up potential semifinal matchups between the victors.