Two late tries from Richie Lane and replacement Andrew O'Brien helped Cork Constitution seal their place in the AIB Cup quarter-finals at Kilballyowen Park.
Playing with the wind, the newly-crowned Munster Senior Cup champions established an 8-0 half-time lead with right winger Lane kicking a penalty and scoring a 34th minute try.
Bruff hit the front with Alan Bourke helping himself to a try and
Brian Cahill kicking five points, but those two breakaway tries ended the Division Two side's hopes of an upset.
Scorers:
Bruff: Try: Alan Bourke; Con: Brian Cahill; Pen: Brian Cahill
Cork Constitution: Tries: Richie Lane 2, Andrew O'Brien; Cons: Richie Lane 2; Pen: Richie Lane
HT: Bruff 0 Cork Constitution 8
