In this fickle football world where managers are frequently discarded like Tesco carrier bags before we had to pay 5p for them, no job is safe.
But you'd have thought that Louis van Gaal's place as Manchester United manager would be relatively secure, and fans would be encouraged by how the season is going so far.
The Red Devils could only manage a point when they travelled to CSKA Moscow on Wednesday night, however, and that prompted a group of impatient supporters to jump to the conclusion that the exit door must be shown to the Dutchman.
#VanGaalOut became the theme of the evening on Twitter, with many questioning the Dutchman's decisions such as leaving Anthony Martial on the wing...
https://twitter.com/shafeeg4749/status/656908796648775680
https://twitter.com/MUFCspec/status/656910063563620352
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https://twitter.com/LiciousRyan/status/656914415455981568
https://twitter.com/Davidjjevans/status/656915521460379649
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https://twitter.com/billybobbins55/status/656916847921623040
https://twitter.com/mattyyf1998/status/656918752739594240
https://twitter.com/ciaranconroy17/status/656919287471456256
https://twitter.com/AfraidN0T/status/656932137438982144