If, like us, you're feeling old today at the thought of Xabi Alonso retiring at the end of the season, then here's another jolt of reality to you.
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Liverpool's "Miracle of Istanbul" - or the now former Greatest Comeback Of All Time - was twelve years ago, and just five players who were part of the matchday squads for either Liverpool or AC Milan that day are still active, professional footballers.
We've given you four minutes to name all five - and we'll give you a clue... Xabi Alonso is one of them, at least until May.
