Fortunes in football are constantly changing and so are the managers in charge of football's biggest clubs.
As fans demand constant success, the manager merry-go-round will always be spinning and where one has failed, a new challenger will rise.
If a manager is tipped to be getting the sack it won't be long before the rumour mill is churning out potential replacements.
Here we'll take a look at some of the biggest jobs in the Premier League and La Liga* and highlight who has been tipped to take charge of the team once the current manager has left.
All odds come courtesy of Paddy Power and were correct at the time of writing.
*No odds were available for Real Madrid, but judging by the length of time they give their past managers, we won't have to wait too long to find out who Carlo Ancelotti's successor will be.