Player-coach Emmett Farrell grabbed a 78th-minute try as Blackrock College won on only their second ever AIB League visit to Dubarry Park, defeating Buccaneers 30-20.
The former Ireland 'A' out-half shimmied over from 20 metres out for the crucial score.
'Rock led 13-3 at the interval courtesy of a Brian Canavan try and two Fionn Carr penalties. Tommy Cregan landed a penalty for Buccs.
Des Dillon (43 minutes) and Michael Price (49) added further tries for the visitors who went 23-3 ahead.
Buccs made a fight of it, with tries from David Kelly and Cregan, who tallied up 15 points.
Scorers: Buccaneers: Tries: David Kelly, Tommy Cregan; Cons: Cregan 2; Pens: Cregan 2.
Blackrock: Tries: Brian Canavan, Des Dillon, Michael Price, Emmett Farrell; Cons: Fionn Carr 2; Pens: Carr 2.
