Scunthorpe United striker Gary Hooper has completed his £2.4m move to Celtic, making him Neil Lennon's sixth signing.
Hooper, 22, joined the Celtic squad at Glasgow Airport to fly to Portugal to play Braga on Wednesday.
"I'm a little bit nervous, it's the first time I've travelled abroad for a game," said the ex-Scunthorpe player.
"But I am looking forward to it and ready to meet my team-mates. When I knew Celtic were interested they were the only club I wanted to come to."
Hooper completed his medical at 2000 BST on Monday evening and had to complete the formalities of his transfer the following morning before meeting the rest of the squad at the airport.
Ahead of the Champions League qualifier against the Portuguese Liga Sagres runners-up, manager Lennon said of his new striker: "I don't know about playing but he will be in the squad.
"I was pleased to get him. He has been on our radar a while.
"I think we have a good player on our hands, his record is very good.
"It's not just goals, he can play a little bit as well and there were a lot of clubs after his signature."
Hooper has been Scunthorpe's leading scorer with 50 goals over the last two seasons and had attracted the attention of several clubs including Leeds United and Derby County.
However, Lennon's side were favourites to land Hooper for several months and with the prospect of Champions League football, a move north of the border was an attractive proposition to a player who was with non-league Grays Athletic a little over five years ago.
Hooper was lined up to make his first pre-season appearance of the summer during the Iron's 1-0 friendly win over Sheffield Wednesday at Glanford Park on Saturday.
The SPL club have already signed Joe Ledley, Efrain Juarez, Daryl Murphy, Cha Du-Ri and Charlie Mulgrew.
England goalkeeper David James has delayed a planned trip to Glasgow for possible signing talks in order to deal with a family matter.
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