What does it take to be the very best? The top of the tree? A history-making Olympic champion? Adam Peaty has proved he knows during an all-conquering swimming career, but what comes next? Sam Kerr's second-half strike earned Chelsea a 1-0 win over Servette in Group A of the Women's Champions League. "We had to suffer in the first half, to get through them difficult moments. I'm really proud of the players, a lot of positive stuff to take out of the game. Mapimpi went over in the 28th minute having evaded two despairing tackles after the visitors got an overload on the left wing.