Liverpool might have had the better of the first half against Arsenal, but their inability to keep it tight at the back cost them dearly.
Arsenal looked out of sorts, but still managed to convert their first two chances, and but for a terrible miss from Olivier Giroud Liverpool could have conceded a third.
Twitter had plenty to say about Liverpool's leaking defence...
Some felt it was more evidence that Klopp needed to bring in new signings...
https://twitter.com/TheInterFan/status/687370458375782400
Others pointed out the contrast between their back line and attacking play...
https://twitter.com/Ian_Cruise/status/687372214098857985
It was even giving Manchester United fans hope with a weekend trip to Anfield looming.
https://twitter.com/JdotJames/status/687371999493099523
It was even drawing comparisons with non-existent underwear
https://twitter.com/chercerise/status/687372872877133824
Could it be that Jurgen Klopp and his coaching staff are to blame?
https://twitter.com/Al_is_grumpy/status/687373165924855809
But it wasn't just the defenders getting stick. Simon Mignolet once again found fingers pointed at him.
https://twitter.com/redorcno9/status/687374153272442880