"I have various offers but playing in the Premiership attracts me a lot in every way," Lussenhoff is quoted as saying to Onefootball.com
"But I can't say the stage we're at because I'm contractually prevented from doing so. It's a demand I fully understand."
If United's attempts to bring in Ipswich defender Titus Bramble fails, then Lussenhoff may provide a suitable replacement for Sir Bobby.