08:21 AM ET 10.10 | The Big House may be abuzz with activity this month, but it's missing a few key visitors. In what seems to be a dire sign for the Winter Classic, the NHL Operations Department does not have plans to visit Ann Arbor this month. Officials from league headquarters went to Michigan Stadium in September to do logistics scouting, part of the massive preparation to hold the scheduled outdoor game. ... But with the NHL already having canceled two weeks of the regular season -- and with no progress made on tangible issues between the NHL and the NHL Players Association on a new collective bargaining agreement -- no follow-up trips are on the horizon, a person with knowledge of the situation told the Free Press.