Michael Carrick has revealed he suffered depression after Manchester Untied's defeat to Barcelona in the 2009 Champions League final.
Sir Alex Ferguson's side suffered a 2-0 loss at the hands of the Catalan club in Rome as Samuel Eto'o and Lionel Messi found the net on the day.
The former United midfielder told The Times: "It was the biggest low of my career by quite some way and I don't really know why. I thought I'd let myself down in the biggest game of my career. I had won the Champions League the year before, but that was totally irrelevant.
"It felt like I was depressed. I was really down. I imagine that is what depression is. I describe it as depression because it wasn't a one-off thing. I felt bad or terrible after some games, but then you get over it in the next couple of days, but that one I just couldn't shrug off. It was a strange feeling.
"I beat myself up over that [Eto'o] goal. I kept asking myself, 'Why did I do that?', and then it [the depression] snowballed from there. It was a tough year after that. It lingered for a long time."