Playing more than 160 VFL games before taking on roles with the Wallabies, All Blacks and now coach of Fiji, Mick Byrne has seen some talented athletes in his time.
Former Wales, and British & Irish Lions fly-half Dan Biggar has questioned the decision to call Owen Farrell into the current squad, saying "it doesn't really make sense".
With Owen Farrell on his way to Australia to join the British & Irish Lions, we’ve taken a look back at players who found themselves in similar positions on previous tours.
Argentina head coach Felipe Contepomi has made six changes to his starting XV to take on England on Saturday in La Plata from the one that triumphed over the British & Irish Lions two weeks ago in Dublin.
Matt Worley will be back rubbing shoulders with the biggest names in rugby if Hong Kong China beat South Korea in the Asia Rugby Champoionship title decider in Incheon this Saturday.
Australia's code-crossing star Joseph-Aukuso Suaalii has recovered from a fractured jaw to renew his midfield partnership with Len Ikitau against Fiji on Sunday.
Centre Seb Atkinson and wing Will Muir will make their debuts for England as coach Steve Borthwick picked two captains for the test against Argentina in La Plata on Saturday, including centurion George Ford.
Out-of-favour All Blacks back-rower Hoskins Sotutu is among the latest group of players confirmed for the AUNZ Invitational XV that will face the British & Irish Lions in Adelaide on Saturday week.