It's farewell to Sonny Bill, but the All Black machine has no time for sentiment and already thoughts will be swirling about the make-up of their midfield to take on Argentina.
It was a vexing issue before they were able to persuade Williams to delay his departure for Japan and the picture looks just as complicated now, with Ben Smith having emerged strongly in the unfamiliar position of centre for the final half hour to stake a good claim to stay there in Wellington.
Everything hinges on whether Conrad Smith is declared fit - the world's best No 13 had eye surgery after Super Rugby and is not sure when he'll be given the all-clear.
He's touch and go for the Pumas and there may now be a desire to not rush him back so the selectors can get another look at his namesake at centre.
Smith was lively, got into the game as soon as he came on and showed up well.