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By Robert Vollman, ESPN Insider
May 27, 2015
One of the essential ingredients for a championship roster is defensemen who can move the puck up the ice and take part in the offense. Whether it is Los Angeles Drew Doughty or Chicagos Duncan Keith in recent years, or the Islanders Denis Potvin and Edmontons Paul Coffey decades ago, history has consistently shown that high-scoring defensemen and Stanley Cups go hand-in-hand. If that is still true, Tampa Bay could have the advantage this season.
By Robert Vollman, ESPN Insider
May 20, 2015
The New York Rangers have reached the Eastern Conference finals for the third time in four seasons. In 2011-12 they were eliminated by the New Jersey Devils, and last year, they advanced past the Montreal Canadiens before falling in five games to the Los Angeles Kings in the Stanley Cup finals. Having vaulted from 18th in NHL regular-season goal scoring in 2013-14 to third this season, do the Rangers finally have the scoring punch they need to win it all?
By Robert Vollman, ESPN Insider
May 13, 2015
Making their fifth appearance in the Western Conference finals in the past seven seasons, two of which have already resulted in Stanley Cups, the Chicago Blackhawks are the closest team to a modern-day dynasty. How have they achieved their incredible success?
By Robert Vollman, ESPN Insider
May 6, 2015
Success in the Stanley Cup playoffs often boils down to getting the right players in the right situations at the right time. That is why coaches have to adapt quickly to injuries, hot streaks, and various other changing circumstances, and be prepared to make off-the-board lineup decisions on the fly. What are some of the most notable moves this time around, and how have they paid off?
By Robert Vollman, ESPN Insider
April 29, 2015
If they look like the Ducks, and they quack like the Ducks, are they really the Ducks? Despite showing all the underlying signs of being a middling team, the Anaheim Ducks have performed like the next dynasty, winning the Western Conference regular-season points crown and sweeping the upstart Winnipeg Jets aside in the opening round of the playoffs. Is there a reasonable explanation for this apparent disconnect, and will it continue?
By Robert Vollman, ESPN Insider
April 22, 2015
On the final game of the regular season, the New York Islanders needed a win over the Columbus Blue Jackets to secure home-ice advantage against the Washington Capitals in the first round of the playoffs. The Isles were poised for their first home seed since 1987-88 when back-to-back Columbus shootout goals cost them the additional point they needed. So how big of an advantage slipped away when Cam Atkinson beat Jaroslav Halak for the shootout winner?

Most Popular Articles

By Robert Vollman, ESPN Insider
February 17, 2011
What can be learned from the NHL's vast history that can help reduce the chances of lopsided deals? Using GVT we can compare players of all types, and across all different eras, helping us find the five most lopsided deals of the post-expansion era. Find out in this record-setting ESPN Insider exclusive.
By Robert Vollman, Hockey Prospectus
January 9, 2013
A great use of statistical hockey analysis is to find underrated players, like Colorados Ryan OReilly. While a certain portion of his undeniable talent can obviously be picked up by simply watching him play, the full extent of his highly-disciplined defensive talent and possession-driving playmaking abilities can be more fully grasped when studying the underlying numbers.
By Robert Vollman, ESPN Insider
July 7, 2011
It's been a busy summer for many teams. The Philadelphia Flyers underwent a major overhaul, shipping off Jeff Carter and Mike Richards to make room for Ilya Bryzgalov and Jaromir Jagr. The Minnesota Wild and San Jose Sharks traded stars -- Martin Havlat for Dany Heatley -- and the New York Rangers won the Brad Richards sweepstakes. These teams all have one more thing in common: None of them made the biggest overall impact this summer.
By Robert Vollman
March 1, 2011
While discussing Dustin Byfugliens contract recently, a question from fat_daddyo came up about how to measure GVT (and by extension marginal wins) against salary/cap hit and see if a particular player is playing up to their contract. My initial response was to use GVS: Goals Versus Salary.
Robert Vollman, Hockey Prospectus 
May 17, 2010
What save percentage constituted a Quality Start this past season, who led the league in Quality Start Percentage, why Jaroslav Halak is one of the most improved netminders this year, how did Vesa Toskala perform even worse in 2009-10 than in the previous season, why Carey Price and Tim Thomas should feel upset about the offenses of the Canadiens and Bruins, and why Antti Niemi and Pekka Rinne should be thankful for the way the Blackhawks and Predators offenses played with them in net this season.
Robert Vollman, Hockey Prospectus 
October 21, 2011
To get a sense of how many points a player will score when moving from the AHL to the NHL, everyone has generally used the 0.45 rule of thumb. Multiply their AHL scoring by that magic number and you can get a fairly accurate picture of how they will do in the NHL. Lately, we have been taking a deeper look at AHL-to-NHL translations, and seeing if we can improve on this simplistic approach.