Gordo: Blues' Armstrong open to upgrades

New York Rangers' J.T. Miller, bottom, is ridden to the ice after a check by St. Louis Blues' Kevin Shattenkirk during the second period of an NHL hockey game Thursday, Feb. 25, 2016, in St. Louis. (AP Photo/Billy Hurst)Blues Talk: Fans sound off about the NHL trade deadlineBack in the colorful Ron Caron Era in Blues history, “The Professor” would declare “The meat is on the burner!” as the NHL trade deadline neared.

Then he jumped on the phone to peddle his players. Caron’s willy-nilly managerial style kept things lively for fans, but it created roster churn and dressing room chaos.

The same was true under “Iron” Mike Keenan. He clashed with — and either traded or tried to trade — every…