Firstly, no?
Secondly, I believe he has been playing with an ankle injury a lot (probably through league) & it's gotten to a point where he needs surgery. Apparently, he could play with it for this season, and debated doing so, but chose the right choice to get the surgery and rehab out of the way now.
New backlines could be: (names in bold could be swapped around between the teams)
Most likely: (in my opinion)
12: Fittler. 12: Max Laverty
13: Jaques 13: Fittler
15: Will Johnson. 15: Jaques
Maybe?
12: Mark Nikas
13: Fittler
15: Jaques
Surely not: (slightest chance)
12: Heinz Lemoto
13: Fittler
15: Jaques
I probably forgot a lot of people. Don't know everyone.