I know it has been mentioned on here before, but how did we let Riyad Mahrez slip through our fingers in 2009?
Especially when you see how he has performed in the two UEFA semi final legs against PSG when there were umpteen world stars on view between the two teams.
You can now hear from the man himself how he missed the chance of a lifetime - https://www.sportbible.com/football/news-reactions-transfers-weird-the-story-of-riyad-mahrezs-failed-trial-at-scottish-side-st-mirren-20210505