When the dust had settled on Roy Keane's mesmerising exchange with Jurgen Klopp on Monday night, we were left to weigh up whether the Irishman had been right to say there was a grain of imperfection in Liverpool's emphatic display against Arsenal.
Do teams going up against Liverpool now have a glimmer of hope?
Klopp is as sensitive to direct challenges to his team's performances as many managers. Discussion by Keane of Liverpool's occasional 'sloppiness' was actually a footnote to his broader discussion of their qualities in the 3-1 win, which maintained their 100 per cent record.