It’s that time of the year again – the transfer window is now open until September 1 and it’s sure to be a busy period with clubs looking to make big signings ahead of next season. Here are today’s latest developments from Simon Jones and the Daily Mail Sport team… Tigers on the prowl in transfer marketHull City manager Sergej Jakirovic has confirmed interest in Croatia internationals Marco Pasalic of Orlando City and HNK Rijeka’s Toni Fruk, plus Hajduk Split’s Rokas Pukštas, a USA Under-23 international.The three are on an extensive list of targets being worked on by the Premier League new boys who expect to confirm Okan Ozkan as their new sporting director over the next 48 hours.The Tigers have been in talks with Ozkan, who had been working at Polish club Pogon Szczecin. But the Polish club’s Canadian owner Alex Haditaghi sparked a social media spat with his Hull counterpart Acun Ilicali.Haditaghi threatened legal action over Hull’s approach for Ozkan, in a succession of messages, whilst copying in the Football Association and Premier League.Hull still expect to sign Oscar Zambrano from sister club Maribor, and are agreeing a £3m deal to sign Mjallby’s Swedish World Cup left-back Elliot Stroud.Gunners keeping tabs on Barcola Arsenal still remain attentive to Bradley Barcola’s situation at Paris Saint-Germain.They also admire Aston Villa’s Morgan Rogers and accept both will be expensive to prise away. Arsenal remain attentive to the situation of Paris Saint-Germain and France winger Bradley BarcolaLiverpool also admire Barcola. He is one of a number of wide attackers being assessed by the club but they are yet to make a formal enquiry.Arsenal are awaiting Leandro Trossard’s decision over his proposed move to Besiktas.The Gunners have a deal lined up for Christos Tzolis from Bruges which they may accelerate when Trossard leaves.Another player that is on Arsenal’s radar but lower down their list is Norway’s Antonio Nusa.The RB Leipzig winger had a decent World Cup on the back of making 35 appearances in the Bundesliga last season but there have been concerns about his knee condition since a move from Bruges to Brentford collapsed on medical grounds in 2024. A specialist later cleared him to play and he joined Leipzig.Meanwhile, midfielder Christian Norgaard is attracting interest from Saudi club Al Jazira.Dobbin closes on Southampton move Aston Villa forward Lewis Dobbin is closing on a £9million move to Southampton.The 23-year-old scored 10 goals on loan at Preston last season and was also wanted by Wolves, Middlesbrough and Sheffield United. Villa will receive further add-ons based on performances and appearances. Villa forward Lewis Dobbin is closing in on a move to SouthamptonVilla, who are finalising a club-record deal for Freiburg midfielder Johan Manzambi, have also been offered the chance to sign Pervis Estupinan from AC Milan.The 28-year-old left back previously played for Watford, Brighton and Villarreal.