By Ben Klayman
CHICAGO, May 15 (Reuters) - The National Hockey League's players' union does not want to choose sides in the struggle over ownership of the bankrupt Phoenix team, but the union head wonders how long the North American sport league can remain in a market where the team loses millions of dollars every year.
"At some point in time, it doesn't make business sense to remain in a market if that market is losing money year over year," Paul Kelly, executive director of the NHL Players Association, said at a sports law conference here.
The Phoenix Coyotes filed for bankruptcy on May 5 in a move intended to facilitate a sale and a move to Canada. At the time of the filing, team owner Jerry Moyes, a trucking magnate, said he had an offer to sell the Coyotes to Jim Balsillie, co-chief executive of Canadian smartphone maker Research in Motion , for $212.5 million.
Balsillie, who has tried twice before to buy an NHL team, plans to move the club to Hamilton, Ontario.

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