Arum claims he has agreed deals with both fighters, though the paperwork for the bout has yet to be finalised.
"We have negotiated a compromise agreement with Liam Lawrence, who will leave the club when the paperwork is finalised later today," read a statement on http://www.portsmouthfc.co.uk "I'd like to thank Liam for his support and all of the other players for putting the club's interest ahead of their own.
Peltier agreed a three-year deal on Tuesday and all the paperwork was finalised on Wednesday.
"We have negotiated a compromise agreement with Liam Lawrence who will leave the club when the paperwork is finalised later," PKF's Trevor Birch said in a statement.
"We have agreed terms but until the paperwork is finalised we cannot reveal the names," he said.
The drama began in the morning when Corby was bundled into a police van and ferried, under the heavy escort of more than 100 police, to the prosecutor's office to sign the paperwork to finalise her release after serving nine years of her 15-year sentence.
"Having taken him to the UK Border Agency on Monday, all the necessary paperwork will be finalised shortly," head coach Rob Baxter said.
Striker Salihu, 18, returned to Austria while the Sixfields side finalised the paperwork on the deal.
The 18-year-old returned to Villa to play in the FA Youth Cup, but the paperwork has now been finalised for him to resume his loan spell.
Although the deal brought some relief to Arsenal, two large elephants remained in the room as the paperwork was being finalised.
Reports emerged of three people, said to be representing United, managing to get into the offices of the Spanish league (LFP) for discussions about the proposed switch and then leaving an hour later, apparently unable to complete the paperwork required to finalise the deal.
