When you spot a brilliant lookalike and just can't get it out of your head...
That's clearly what happened to this Manchester United fan, who posted a picture of Ander Herrera's identical twin her sister on Twitter.
The uncanny resemblance to the Spanish midfielder is somewhat unnerving - to the point where we're not even sure who scored that brace against Aston Villa at the weekend...
https://twitter.com/HELLinaaaa/status/583846950140682240
