Southampton manager Ronald Koeman says "at least one player" will join the Premier League club before Monday's transfer deadline.
Saints are eyeing a Champions League place after a fine season but suffered a 1-0 loss to Swansea City on Sunday.
"We will have at least one player, I think we need that," Koeman said after the St Mary's defeat.
Koeman confirmed this week that he is interested in Feyenoord's Tonny Vilhena and Filip Djuricic of Benfica.
But he would not talk about the progress of those prospective deals on Sunday, saying: "I don't answer questions about names. But you will know it tomorrow."
Koeman wants 20-year-old defensive midfielder Vilhena to replace Jack Cork, who has joined Swansea.
Attacking midfielder Djuricic, 23, is on loan at German side Mainz.
"We are interested in Tonny because that player is not happy at Feyenoord. He likes to play more and wants to change clubs," Koeman said on Friday.
"I am interested in Filip, who also is good young player, and can play in different positions. It's a good chance one of those players will join."