Always liked Curtis Sironen. Would be very happy to see him return.
Mansour would be a signing for his off-field skills I think. There is going to be A LOT of youth getting on the field. You need guys with the right training habits etc in the clubhouse.
If they can add a prop, a bench forward, maybe a lock....maybe a centre...that would be about it. The worst thing that Sheens/Marshall can do is overload the roster & make it too hard for guys like Tumeth, Pole, Matamua, Talau, Kepaeoa etc to see the field. If you are going to invest in the youth & promote them- don't put too many experienced guys in front of them to hold them back.