Bamford scored as Leeds earned 2-1 win over Bolton.
Pedraza spent the second half of the 2016-17 season on loan at Leeds.
Leeds take on Swansea on Wednesday night.
Leeds suffered their first defeat of 2019.
Harrison played under Pulis at Boro, before joining Leeds.
Stokes left Leeds a year ago to join Irish side Bohemians.
Edmondson has failed to make a senior Leeds appearance since September.
Wiedwald left Leeds in the summer to join Frankfurt
Casilla swapped Madrid for Rotherham on Saturday afternoon, as he made his Leeds debut.
Doukara has shone since leaving Leeds.