We knew it wasn't going to be a good omen.
Sky Sports camera caught the moment a cat ran onto the pitch ahead of Liverpool's clash with rivals Manchester United.
Some superstitious types reckon it's good fortune, others believe a black cat signifies bad luck.
https://twitter.com/laurenlosung/status/788089462823718912
But for anyone sat watching the first half of the cagey Manchester-Merseyside derby, which finished 0-0 (yawn), it provided pretty much the only entertainment of the game.
https://twitter.com/SkySportsMNF/status/788091803358461953
As there was very little action on the pitch, fans had to make their own entertainment during the match...and the feline pitch invader was it.
It certainly brought the pun-loving criminals out in force, with nobody being able to resist the urge to make the Catinho joke.
https://twitter.com/ArthurDon94/status/788108766633865216
https://twitter.com/AllFootballLive/status/788100523576717313
https://twitter.com/nofreen360/status/788096910401867781
https://twitter.com/miriingu/status/788091767556038656
You could almost sense what was coming...
https://twitter.com/paddypower/status/788088219527241728
https://twitter.com/simonfurnivall/status/788087920519483392
https://twitter.com/SportsJOE_UK/status/788089644789497856
And then it did...
https://twitter.com/AnfieldCatinho/status/788090519285006336
United's Twitter account was inundated with cat-related jokes...
https://twitter.com/Nasser4lkhalaf/status/788088568245878784?ref_src=twsrc%5Etfw
https://twitter.com/I_am_Dai/status/788089053921017857?ref_src=twsrc%5Etfw
Obviously people couldn't resist a dig at Gerrard too...
https://twitter.com/BrianOLeary511/status/788090983951065089
https://twitter.com/jugaadist/status/788091680750579713
Some people were convinced it was bad news...
https://twitter.com/Zeeztastic/status/788090900136202240
https://twitter.com/Fraudiesta/status/788094555090452480
https://twitter.com/DHardayal/status/788088136253448193
https://twitter.com/ExcelJosaphine/status/788090763976384512
This guy was just pissed at how the crafty little blighter had snuck in...
https://twitter.com/_CBeirne/status/788097024323387392
Had to be a publicity stunt, though, didn't it?
https://twitter.com/ciaran_30/status/788106829251346433
But by the end people were desperate for more...
https://twitter.com/robertajane_U/status/788101310163943424
https://twitter.com/theefunklord/status/788100150698934272
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