Skipper Sam Warburton replaces Justin Tipuric and Luke Charteris is in for Ian Evans. In the front row hooker Matthew Rees replaces the injured Richard Hibbard and fly-half Rhys Priestland returns in place of Osprey Dan Biggar. Jonathan Davies returns from a groin injury to replace Ashley Beck.
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Liam Williams admitted that he loves "having a run" after setting up one of the greatest tries in British and Irish Lions history.
Rain and drizzle will clear through the afternoon with drier conditions to follow and some late sunshine.
Rain overnight turning light and patchy in the morning.