Duke star Grayson Allen tripped Florida State's Xavier Rathan-Mayes during the Blue Devils' 80-65 win on Thursday night for the second time Allen has tripped an opponent in a month.

Duke coach Mike Krzyzewski has suspended Grayson Allen indefinitely after the guard intentionally tripped an Elon player -- his third tripping incident in the past year.

Duke junior guard Grayson Allen scored 15 points in a 110-57 rout of Georgia Tech in his return to the lineup after a one-game suspension for tripping an opponent in a December game.

— -- Duke guard Grayson Allen tripped his third opponent in 10 months on Wednesday, in the Blue Devils' win over Elon. Duke then suspended Allen indefinitely on Thursday. What should ...

Allen, in video of the game broadcast, is seen outstretching his left foot backward near midcourt as Rathan-Mayes begins to break downcourt behind him in the game's final seconds.