Conversation so far:
who holds the record for most clean sheets in the premier league
Petr Čech holds the record for most clean sheets kept in a single season in the premier league, with 24.
what is petr cech's current team
Petr Čech is the current technical and performance advisor for Chelsea Football Club.

Question: when did the goalkeeper retire from international football
Self-contained rewrite: when did petr cech retire from international football