Derry City's board will meet on Friday to make a final decision on who will replace Stephen Kenny as the new manager at the Brandywell.
Former Celtic defender Willie McStay held talks with the club on Tuesday and former Sligo Rovers and Bohemians boss Sean Connor is also in the running.
Former Derry player Paul Hegarty and Declan Devine, Kenny's number two at City, are also possible replacements.
There is at least another one candidate being considered for the job.
McStay, who was sacked after three months in charge of Ross County, is assistant manager at Stockport County.
He was manager at Sligo Rovers when they won a treble in 1993 and was reserve and youth coach at Celtic.
Jim Magilton and current Sligo boss Paul Cook have ruled themselves out of the running to take over from Kenny.
Magilton was assistant to new Northern Ireland manager O'Neill at Shamrock Rovers last season.
Following O'Neill's departure from the club, Kenny left Derry to manage the League of Ireland champions.