League One Peterborough United have paid an undisclosed fee for Luton striker Lee Angol and made three other signings ahead of the new season.
Angol, 20, has agreed a three-year contract with the club.
The other new faces are defender Andrew Fox, 22, midfielder Kieran Sadlier, 20, and striker Souleymane Coulibaly, 20.
Fox has been playing in the USA, while Sadlier made 11 appearances for St Mirren last season and Coulibaly was with Italian club Pistoiese.
Angol, meanwhile, spent last season on loan at Boreham Wood and finished the campaign as the top scorer in the Conference South with 25 goals in 39 games.