It hasn't been spoken about. But it's there, beating like a drum in the background. Let's do it for "Bongo".
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Especially for James Slipper, who has been Josh Mann-Rea's roommate this season and at Wallabies camps in the past, when he runs out against the Argentina Jaguares in Buenos Aires on Sunday.
Mann-Rea's torn his anterior cruciate ligament, putting the 38-year-old's Super Rugby career in jeopardy, and he's returned to Canberra awaiting surgery.
Emerging Brumbies hooker Connal McInerney has taken Mann-Rea's spot on the bench, while Irae Simone has come into the 23 for Wharenui Hawera.
Brumbies coach Dan McKellar has freshened up his squad, bringing Slipper into the XV with Scott Sio dropping to the bench, while Matt Lucas will start in the No.9 jersey in place of Joe Powell.
Slipper was devastated by the loss of Mann-Rea.
"To see him fall like that was pretty hard to see. He's such an important part of the squad so he's sorely missed," he said.
"We miss him around the camp, but as soon as we get back to Canberra that's the first place we'll be going - going to visit him.
"We haven't really spoken about it this week, but it's definitely in our minds."
Slipper said the changes, including his return to the starting side, were designed to freshen up the side after their bruising win over the Cape Town Stormers.
That brilliant defensive effort means the Brumbies are looking for their third consecutive victory and a spot in the top eight.
The Super Rugby table is a logjam and Slipper said they would look to be more attacking against the Jaguares.
He was expecting a more flamboyant and fast-paced game from the Jaguares and he said the fact the competition was so tight - just seven points separate second from second last - made it an exciting year.
"It was a good game for us last week where we just had to dig deep and put our bodies on the line for the team and we gained a lot of confidence from that," he said.
"We changed the momentum of the game through our defence, which was pleasing, but this week we want to play with the ball a lot more.
"We're a team that wants to attack and put points on the board. If we can do that on the back of good defence that's what we want to do this week, but it's going to be a tough ask."
Slipper's played 86 Tests for the Wallabies, but the prop fell out of favour at the Queensland Reds on the back of two positive tests for cocaine.
He's turned his life and career around in Canberra, where his form has him in the mix to earn a recall for the upcoming World Cup.
"I'm just enjoying my footy. I'm really enjoying my time down in Canberra playing for the Brumbies," Slipper said.
"When you're enjoying yourself you play good rugby and I think that's what's happening."
SUPER RUGBY ROUND 11
Sunday: ACT Brumbies v Argentina Jaguares in Buenos Aires, 7.40am.
Brumbies squad: 1. James Slipper, 2. Folau Fainga'a, 3. Allan Alaalatoa, 4. Rory Arnold, 5. Sam Carter, 6. Jahrome Brown, 7. Tom Cusack, 8. Pete Samu, 9. Matt Lucas, 10. Christian Lealiifano, 11. Toni Pulu, 12. Tom Wright, 13. Tevita Kuridrani, 14, Henry Speight, 15. Tom Banks. Bench: 16. Connal McInerney, 17. Scott Sio, 18. Leslie Leuluaialii-Makin, 19. Darcy Swain, 20. Murray Douglas, 21. Joe Powell, 22. Irae Simone, 23. Andy Muirhead.
Jaguares squad: 1. Nahuel Tetaz Chaparro, 2. Agustin Creevy, 3. Santiago Medrano, 4. Guido Petti, 5. Tomas Levanini, 6. Pablo Matera, 7. Marcos Kremer, 8. Tomas Lezana, 9. Tomas Cubelli, 10. Domingo Miotti, 11. Santiago Carreras, 12. Jeronimo de la Fuente (c), 13. Matias Orlando, 14. Sebastian Cancelliere, 15. Emiliano Boffelli. Bench: 16. Julian Montoya, 17. Mayco Vivas, 18. Enrique Pieretto, 19. Rodrigo Bruni, 20. Javier Ortega Desio, 21. Felipe Ezcurra, 22. Bautista Ezcurra, 23. Juan Cruz Mallia.