Burnley have added three youngsters to their U21 squad.
Mikey O'Neill, Tommy McDermott and Michael Parker all arrived on deadline day Thursday.
Striker O'Neill has signed a deal to June after leaving Preston North End for an undisclosed fee. He had been testing with the Clarets.
Attacking midfielder McDermott joins for an undisclosed fee from Port Vale. The 18 year-old has signed a deal to 2025.
Meanwhile, fullback Parker has signed from Shrewsbury Town.