Wigan manager Roberto Martinez has refused to rule out Aston Villa striker Emile Heskey returning to the club.[LNB]Heskey, who netted 16 goals in 82 Premier League appearances for the Latics, is struggling to ensure his World Cup place having started just one top-flight game this season.[LNB]But Martinez said: "Speaking about players now is foolish. There's nothing you can do until January.[LNB]"Emile is a well-known player here and anyone would love to have him on their books but we will never be disrespectful to Aston Villa."