Jose Mourinho has told his Roma players he doesn't want any negativity or mopers when he takes charge in preseason.
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Mourinho will succeed Paolo Fonseca this summer and offered his philosophy and what he wants from players he works with when in management.
The former Tottenham manager says while hard work is important, there must also be self-belief and optimism from his players, no matter who the opposition is.
- Mourinho was speaking on behalf of Mastercard.
