Wasps boss Dai Young admits the club are interested in Leinster fly-half Jimmy Gopperth, while questioning Andy Goode's future.
Goode was phenomenal in Wasps' first match at their new home at the Ricoh Arena in Coventry.
However the former England international turns 35 next year, putting his long-term future in doubt.
"Absolutely Jimmy Gopperth is in the mix," said Young.
"We're hoping to be able to resolve that over the next few weeks.
"We're in discussions with Andy about moving things forward, the same as we are with a number of other players.
"We're certainly not far off resolving things on the recruitment front right across the board really, so certainly by the end of January things will be a lot clearer."
Young added that changing stadiums has allowed the club to spend more on new recruits.
"Andy certainly seems to think he can keep going, but at the end of the day he's 35 next year isn't he?" said Young.
"Recruitment's not carried out by reacting to one good game or one poor game, though.
"You're looking at what you've got, whether it's right for them as well as us to retain them, and then also at alternatives.
"The move to the Ricoh has helped us in terms of attracting and retaining players.
"We're still in with a shout in Europe but it's hugely important we try to get into the top six in the league again this season to stay in the top European competition.
"Retaining Joe Launchbury has helped too; it is a signal to everyone that things can't be too bad here and that we're moving in the right direction.
"We're probably looking at four or five players to come in, and maybe the same number moving in the other direction.
"But we ought to know a lot more by the end of January."
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