Doug Armstrong and the Blues’ Stanley Cup window

Kirby Lee-USA TODAY Sports Yesterday, the Blues gave their post-playoffs postmortem. The most interesting and reflective response came from Blues general manager Doug Armstrong, who flat-out admitted that other than David Perron, Ryan O’Reilly, and Justin Faulk were the three players who played to their potential. The rest of the team? Not so much.

What limited that potential is up for debate. In the playoffs, obviously, having three players out on the Covid-19 list was less than ideal, and the Avalanche knocking Robert Bortuzzo and Faulk out of the series in game two also was detrimental to the Blues’ chances. Going all of the way back to the playoff bubble, which is where most people point…