On Mavericks media day, prized rookie Luka Doncic showed versatility by answering questions in English, Spanish and Slovenian. The only reason he didn't answer in the fourth language he speaks, Croatian, is no one asked.Four hours later, as Friday's media day wound down and Doncic walked the American Airlines Center corridor to his last photo shoot, he watched a European soccer match on his phone.As for the multi-tasking the Mavericks will ask him to do on the court this season while shouldering expectations as the No.