The 53-year-old has been interviewed by former club Oldham Athletic as they seek a new manager.
He remains among the favourites to replace John Sheridan, but now Stuart McCall has come into the reckoning.
Ex-Norwich City chief Neil Adams, like Bunn a former Oldham player, is also in contention.
Scotland coach McCall has also been linked with a second spell at Oldham’s League I rivals Bradford City.
The Bantams are in the process of replacing Phil Parkinson, who has taken over at Bolton Wanderers.
Former Scotland international midfielder McCall was a highly popular player at Bradford.
He managed the club between 2007-10 and later took charge of Motherwell and Rangers.
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He is one of Scotland manager Gordon Strachan’s assistants.
Uwe Rosler, Paul Lambert, Nigel Adkins and Paul Jewell are also being linked with Bradford.