Carlos Tevez was this week handed a six-month disqualification, a £1,000 fine and ordered to carry out 250 hours community service after pleading guilty to driving whilst disqualified and without insurance.
The following day, his team-mate Samir Nasri also received a six-month ban and picked up a £2,100 fine for exceeding the speed limit three times in 2011.
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However, when asked if these events might have a negative impact on his squad, Mancini replied: "I don't think this. This is their private life.
"We can do nothing about this. This can happen sometimes."
And specifically discussing the case of Tevez, the Italian added: "I didn't speak with him about this. I think that Carlos made a mistake and he will pay for this. But usually he has good behaviour."
City face local rivals Manchester United in their next game, travelling to Old Trafford on Monday evening.