Roberto Martinez - Wigan more mature after Bolton loss

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Wigan won't change - Martinez

Wigan manager Roberto Martinez says last weekend's 3-1 defeat at home to Bolton, which left the Latics 19th in the Premier League, has had a positive effect on his side as they prepare for Saturday's trip to Newcastle.

Martinez describes the defeat as "self-inflicted", a result of being too anxious to get positive results.

However, he insists his players have "grown massively" following the loss and head to St James' Park in good spirits.

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