Reds fans weren't immediately impressed:
Though there were a few statistics suggesting the Belgian might be the right man between the posts for Jurgen Klopp's side...
...or maybe not:
The analysis went even deeper, comparing the finer details of Mignolet's contract extension to those of others who signed on at Merseyside.
Liverpool are next in action in their FA Cup third-round replay against Exeter City at Anfield on Wednesday night.