Mark Robins has agreed deals with Stoke and both players for the moves to add more competition to the Reds backline. Robins has already signed Nathan Doyle and Suad Filekovic to cover the defence.
Shotton, 20, has spent time on loan with Altrincham and Tranmere Rovers, making 68 appearances and scoring 10 goals overall. The 6'3" centre back hasn't appeared for Stoke as of yet.
Dickinson, 22, has made 49 appearances for the Britannia Stadium outfit, whilst spending time on loan with Leeds United, Vikingur and Blackpool.