Leeds United on Friday announced the departure of manager Sam Allardyce following the club's relegation from the Premier League.
Allardyce, 68, was brought in to rescue the club in May with only four games remaining but Leeds finished second from bottom, five points away from safety and six above Southampton.
He lost three and drew one of his matches in charge after replacing Javi Gracia.
Leeds said an announcement about the former England manager's replacement would be made soon.
"It has been an honour to manage Leeds United, a great club with an incredible fan base, who deserve to be in the Premier League," said Allardyce in a statement on the club website.
"At this stage in my career I am not sure taking on this challenge, which is potentially a long-term project, is something I could commit to," he added.
"But I wish the club every success for the future and hope the club returns to the Premier League, where they belong."
Leeds turned to Allardyce, whose former clubs as manager include Bolton, Newcastle, West Ham, Sunderland, Crystal Palace and Everton, after sacking Gracia at the start of last month.
Gracia departed after just 10 weeks and 12 games in the role having replaced Jesse Marsch in February.
Allardyce arrived at Elland Road with the club sitting 17th in the table, outside the bottom three on goal difference.
Leeds lost his first game in charge at Manchester City and after a creditable 2-2 home draw against Newcastle, they surrendered their top-flight status with 3-1 and 4-1 defeats to West Ham and Tottenham.
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FFP EXPLAINED
What is Financial Fair Play?
Introduced in 2011 by Uefa, European football’s governing body, it demands that clubs live within their means. Chiefly, spend within their income and not make substantial losses.
What the rules dictate?
The second phase of its implementation limits losses to €30 million (Dh136m) over three seasons. Extra expenditure is permitted for investment in sustainable areas (youth academies, stadium development, etc). Money provided by owners is not viewed as income. Revenue from “related parties” to those owners is assessed by Uefa's “financial control body” to be sure it is a fair value, or in line with market prices.
What are the penalties?
There are a number of punishments, including fines, a loss of prize money or having to reduce squad size for European competition – as happened to PSG in 2014. There is even the threat of a competition ban, which could in theory lead to PSG’s suspension from the Uefa Champions League.
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