The 'Nottingham Post' has revealed that O'Neill is planning on bringing in several players from Olympiacos.
Dimitry Seluk, agent of Yaya Toure, has announced the immediate retirement of the 35 year-old Ivorian midfielder. Touré formed part of Guardiola's much lauded Barcelona team before joining Manchester City and ending his career with Olympiacos in Greece.
Just a week on from suffering a serious knee injury, Vieirinha came on as a late substitute to celebrate PAOK's title win after a 34-year wait.
The Greek Federation, through their disciplinary committee, have decided that the match between Panathinaikos and Olympiacos, suspended midway through the second half for incidents in the stands of the Spyros Louis stadium.
Players on Olympiacos' bench were attacked by Panathinaikos fans on Sunday, with the match later being abandoned due to disturbances.
Manolo Jimenez has returned to manage AEK Athens for a third time, the Greek Super League club announced Wednesday saying the Spaniard had signed a one-and-a-half-year contract.
The 35 year old midfielder re-joined the Greek club in September from Manchester City, but he has failed to meet the manager's expectations and has been asked to leave.