Sharp (leg) might not return by the expected Dec. 3 contest against the Blues, the Blackhawks Tweeter account reports. Sharp could return for the Dec. 5 contest at home against Montreal. He had started practicing last week. It will be on the long end of the three-to-four week prognosis when he went down on November 4. Sharp has been durable in the past including skating in all 82 games last season. He has nine points in 13 games this season.