Wales made too many mistakes to deserve anything from their trip to Ireland, according to Wayne Pivac.
Stuart Hogg made another costly mistake as England beat Scotland in an ugly Calcutta Cup clash to claim their first win of the Six Nations.
Ireland recorded a bonus-point win over Wales in the Six Nations, which try-scorer Josh van der Flier believes was fully deserved.
With fierce winds and rain on the way, Ireland whipped up a storm of their own to beat defending champions Wales.
Wales' hopes of back-to-back Grand Slams were ended as they became Ireland's latest Six Nations victims in Dublin.
After the Chiefs came back to defeat the Crusaders in Hamilton, the Blues overpowered the Waratahs and claimed a bonus point.
There were reports Saracens faced expulsion from the European Champions Cup, but the holders have been hit with a fine.
Captain Stuart Hogg is confident Scotland can let their rugby do the talking and beat England to retain the Calcutta Cup.
Arthur Vincent and Jayden Hayward come into the France and Italy starting line-ups respectively for the match in Paris.
Saracens will discover in London on Friday whether they will face any action for picking Titi Lamositele against Racing 92.