All Blacks midfielder Jack Goodhue will miss next week's Bledisloe Cup decider, after suffering a hamstring strain against the Wallabies in Perth.
The 24-year-old limped off midway through the first half in the All Blacks' 47-26 loss on Saturday night.
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Coach Steve Hansen confirmed Goodhue's injury concerns.
"Jack's got a high hamstring strain from trying to jackal the ball and being squashed," Hansen said. "He definitely won't be available next week and then we'll take it from there."
Lock Scott Barrett will also likely miss the clash, as he faces a SANZAAR foul play review committee hearing on Sunday to discuss his red card offence just before halftime.
Barrett became just the fourth All Black to see red in a test, when referee Jerome Garcès sent Barrett off for a shoulder charge on Wallabies captain Michael Hooper.
He joins Sonny Bill WIlliams (2017), Sir Colin Meads (1967) and Cyril Brownlie (1925), as the only All Blacks to be sent off.
Barrett is alleged to have contravened Law 9.13 and Law 9.17 during the match at Optus Stadium.
Law 9.13 says "a player must not tackle an opponent dangerously", while Law 9.17 states "a player must not charge or knock down an opponent carrying the ball without attempting to grasp the player".
Join us at 7:30pm Saturday for live updates of the All Blacks v Wallabies Bledisloe Cup clash