0 of 30

Ron Chenoy-USA TODAY Sports

When last we looked, the Colorado Avalanche sat atop our weekly power rankings. Despite an incredible season to date and a near-perfect week, however, the team has been displaced as the hottest franchise in the NHL.

That's not the only change. The Buffalo Sabres, the 30th-ranked team in each ranking the last five weeks, managed to climb out of the that spot. Two Stanley Cup contenders made dramatic moves, one up and one down, based on extremely divergent performances.

Read on to see all the moves this week.

Unless otherwise noted, statistics used come from extraskater.com, behindthenet.ca or NHL.com and are current through Sunday night's games.