You've got to feel for football managers. They can work hard all week but if the team don't follow their instructions during the game, all they can do is sit back and watch everything go wrong.
It's no wonder then that the Dundee United boss Mixu Paatelainen got a little hot under the collar after his side were hammered 5-0 by Celtic on Sunday.
The Finnish manager with the disarming Scottish accent turned the air blue as he lost his temper at his new team. Watch below.