It's all down to "nerves" - even at the elite end of the beautiful game.
If Liverpool don't win the title, they'll join a long list of clubs this season who have spectacularly blown titles / promotions in the closing stages, including Daventry Town in the Southern League 1 Central, who in mid-April were top of the table with a game in hand, then only took one point in their last five matches, finished fourth, and lost in the first round of the play-offs ......
And my local rugby club, Sutton Coldfield, who blew their promotion play-off match for the second season in a row ......
And my local non-league Step 8 side, Sutton United, who went into their final game, at home to Fairfield Villa, needing just a draw to secure a promotion place - and contrived to lose the match 2-3 .....