Sam Skinner and Matt Fagerson have been added to Scotland's Six Nations squad for the rest of the tournament.
Luke Price kicked Ospreys to a stunning 26-24 victory over Ulster and Leinster maintained its 100 per cent Pro14 record by defeating Cheetahs on Sunday (AEDT).
Arno Botha scored a hat-trick as Munster recorded its biggest Pro14 win with a 68-3 hammering of sorry Southern Kings on Saturday (AEDT).
George North opened the scoring for Ospreys on his return from injury on Sunday (AEDT), but a dramatic finish saw Dragons come out on top in their Pro14 derby clash.
Ulster maintained its unbeaten home record in the Pro14 with an emphatic win over Munster, which slipped off the top of Conference B.
Leinster maintained its phenomenal 100 per cent Pro14 record by grinding out a 13-6 derby victory at Munster and Edinburgh beat Glasgow Warriors on Sunday (AEDT).