Anthony Martial teases fans with a promise of a surprise…but what is it?

Anthony Martial should know better than to tease football fans like this.

Manchester United fans were still enjoying collecting all three points at Anfield earlier on Sunday when Martial gave them even more reason for optimism. In classic wind-up merchant fashion, the Frenchman posted a celebratory snap on Instagram, alongside the promise of a 'surprise' to come for his followers. https://www.instagram.com/p/BApvfxvKZ1S/ While the BBC might have you believe the 20-year-old's surprises are something to avoid but that didn't stop Twitter from getting a bit carried away about it.

United fans were hoping for some news on the transfer front...

https://twitter.com/SmallingsVoice/status/688830964894674945

Or even a new contract would do...

https://twitter.com/Ander_Commander/status/688826169593040896

The signing wouldn't necessarily have to be a player...

https://twitter.com/DanMUFC68/status/688841488562831361

Then there were those who were aiming a little lower...

https://twitter.com/MartialTheMan/status/688834600475447296

Some wondered if it could be a clever marketing tie-in...

https://twitter.com/Keith_Russell/status/688831619654938624

But there's always one party-pooper ready to spoil the fun...

https://twitter.com/hesham786/status/688825140268916736