He had parted company with Bradford City after winning only a third of his 133 games in charge and drifted into scouting.
The team won the C&G Trophy in his first year in charge.
He only won one game in charge, away to Brentford.
Eastick won his first match in charge, but took a month to get another win.
Steven Pressley won his first match in charge the following day, 2-1 away at Scunthorpe.
He won the Presidents Cup in his final season in charge.
O'Leary had won just six of his 15 league games in charge.
Wrexham won their first five league games with Saunders in charge, giving him the best starting record of any new manager in the club's history.
McCall won 23 of his 65 games in charge.
However, he won only three of his 15 games in charge and he left them in September 1979.