Motherwell were on Monday night hoping to appoint Craig Brown as interim manager following the sacking of Jim Gannon.
A club spokesman confirmed to Press Association Sport they were hoping to reach an agreement with former Scotland boss Brown on Tuesday.
The 69-year-old, who spent eight years at the helm of the national team but who has not managed since leaving Preston in 2004, would take charge of first-team affairs until a permanent successor to Gannon can be found.
Youth development chief Gordon Young was initially set to patrol the touchline during Wednesday night's Clydesdale Bank Premier League game at Hearts but this duty may now fall to Brown.
Gannon's brief but colourful tenure ended on Monday after the Fir Park board lost patience with his "repeated refusal" to sign a contract.
Chairman John Boyle questioned Gannon's commitment to the club and claimed his relationship with directors and staff had become "untenable".
Motherwell suffered their fourth successive defeat on Boxing Day when they lost 3-1 at home to St Johnstone but they remained in the top six of the SPL and Boyle insisted results had no bearing on his dismissal.
The Fir Park chairman instead pointed to problems off the park relating to Gannon's working relationships with colleagues.
Boyle said: "It is deeply regrettable that the board have felt it necessary to part company with the manager at this stage of the season but we have reached a situation where we felt there was no other option.
"Generally, results on the field have been satisfactory since Jim Gannon was appointed and the board wishes to make it clear that today's decision is not related in any way whatsoever to recent results."
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