Celtic fired Wilfried Nancy after 33 days and six losses in eight games as manager.
Fans protested outside Parkhead after Saturday’s 3-1 Old Firm loss to Rangers, which puts them level on points with their rivals, six behind leaders Hearts. The Frenchman has lost six of his eight games in command.
The Frenchman lost six of eight games as permanent manager after replacing Brendan Rodgers.
His final outing was a Saturday 3-1 home loss to Rangers.
From the Columbus Crew, the 48-year-old joined the Scottish champions last month on a two-and-a-half-year contract.
After winning seven of eight games under temporary manager Martin O’Neill, Celtic’s form plummeted under Nancy.

He became the first Hoops manager to lose his first two games, losing 3-1 to St Mirren in the Scottish League Cup final and 2-1 to Dundee United.
For the first time since 1978, under Jock Stein, the club lost four straight.
Their league wins over Aberdeen and Livingston were followed by losses to Motherwell at Fir Park and Rangers in the second half.

