Sept 15 (Reuters) - Internacional and former Brazil coach Dunga says he has no problem in being labelled a donkey, suggesting it might even be something of a compliment. "Calling me a donkey doesn't offend me because they are one of the most hard-working animals," the former Brazil captain told reporters. Dunga, who led Brazil to the quarter-finals at the 2010 World Cup, was greeted with chants of "donkey, donkey" as his side were held to a 2-2 draw by Vitoria in a Brazilian championship match on Thursday. "We're always under pressure and we always have to try and improve," he added. ... More...