Drogheda manager Eddie May cancelled the contracts of two United players yesterday and transfer-listed four others. Derek Thornton and Martin Beggs have both been released on disciplinary grounds while John Carroll, Stephen Roche, Mark Revins and Derek Shevlin have all been made available.
Former Scottish international John McGinlay will have a week's trial at Shelbourne next week as their manager, Dermot Keely, looks to strengthen his side's position at the top of the table.
Promotion-chasing Kilkenny are the hardest hit club in the latest round of suspensions with Aidan Forde, Niall Keogh and David Breen all being ruled out of one game.
The postponed FAI Cup second-round replay between Bray Wanderers and Derry City has been refixed for next Wednesday at 7.30. The twice postponed game between Finn Harps and Home Farm Fingal will be played next Tuesday at 7.45.