Dundee United have signed goalkeeper Michal Szromnik for an undisclosed fee from Polish side Arka Gydnia.
Hull City have spent almost £6m to complete the signing of defenders Harry Maguire and Andrew Robertson.
Dundee United defender Andrew Robertson's representative says he will only sign for Hull City if the move progresses his career.
Dundee United boss Jackie McNamara admits he is hoping for a shock U-turn as he waits for young defender Andrew Robertson to complete his move to Hull City.
Dundee United inflicted a first pre-season defeat on Hibernian as Chris Erskine scored the only goal of the game in front of 6,264 at Easter Road.
Dundee United’s Andrew Robertson is set to sign for Hull City next week, Sky sources understand.
Dundee United have announced the signing of striker Mario Bilate on a two-year deal, subject to international clearance.
Dundee United have rejected a bid for winger Gary Mackay-Steven.