Celtic have confirmed the arrival of Honduran international winger Luis Palma in a £3.5million deal.
And Liverpool central defender Nat Phillips has also arrived in Glasgow to wrap up a one-year loan deal.
The champions are set to add Benfica's Portuguese midfielder Paulo Bernardo and a new left back before the window closes at midnight on Friday.
As revealed by Mail Sport last week, Aris-winger Palma is the seventh signing of the summer for Brendan Rodgers, with the 23-year-old putting pen to paper on a five year deal.
Capped six times for Honduras, Palma could now be pitched in for a baptism of fire against Rangers at Ibrox on Sunday.
He said: 'It is a very special day for me and an honour to be announced as a Celtic player. I can't wait to be part of this great club, a club I know all about as one of the great names in world football.
'I know that Celtic always aims to play football the right way, a team that entertains and has a pedigree of winning and delivering success, and this is what I want to be part of.
'I have spoken to the manager and I'm really looking forward to joining him and my team-mates and starting my journey with such a brilliant club.
'I have already had so many messages of support and I thank all our fans for the welcome I have been given.
'I can't wait to play in front of the Celtic supporters and I will do all I can to bring our fans good football and some good moments.'
Keen to add quality to the squad after crashing out of the Viaplay Cup in Kilmarnock and dropping league points to St Johnstone last weekend, Brendan Rodgers authorised a bid for former Rangers target Palma after Brondby priced attacker Mathias Kvitsgaarden out of a move.
'We are really pleased to bring Luis to the club,' said Rodgers.
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