Younger brother Yaya started Manchester City’s 2-1 defeat to Liverpool at Anfield, while Kolo came on with seven minutes remaining.
Yaya joined Kolo in English football when signing for Manchester City in 2010 but they have never come up against each other in direct competition, until now.
And it was Kolo who won the family bragging rights as Liverpool secured a brilliant win.
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Yaya tweeted about facing his brother earlier in the day.
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And people on Twitter enjoyed this little moment of family history.
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