Most Recent Articles

By Robert Vollman
September 13, 2014
Henrik Lundqvist and Tuukka Rask may be the safest picks in nets, but Brian Elliott and Cory Schneider could be great value picks, and Thomas Greiss might be one of the most interesting hit-or-miss late-round gambles. What other secrets can hockey analytics help uncover?
By Robert Vollman
September 5, 2014
What can we expect scoring-wise from KHLers like Evgeny Kuznetsov, Jiri Sekac, Leo Komarov, Petri Kontiola, and Jori Lehtera? There is no need to get out the Tarot cards and the tea leaves, because hockey analytics can actually shed some interesting light on this topic. Given that the KHL is the league most comparable to the NHL in quality, its data is surprisingly useful in projecting NHL scoring. It is almost reasonably as effective as having actual NHL data on which to base a players projection.
By Robert Vollman
August 16, 2014
Hockey Abstract 2014 is all about hockey analytics and their mainstream applications and limitations. It is a book that asks interesting questions, like who will be in the Hall of Fame, who is the best penalty killer, and what actually makes a good players good, and shows how objective statistical analysis can be used to help find the answers.
By Robert Vollman
June 30, 2014
New-wave hockey analysts have advocated regressing shooting percentages to league average, but is there a more accurate way of forecasting shooting performance?
By Robert Vollman
June 28, 2014
The unrestricted free-agency period is a great opportunity for teams to quickly fill their holes. For those looking to repair and/or upgrade their penalty kill, who are the most effective available options?
By Robert Vollman
June 26, 2014
Other than the goalie, a teams top defensemen are arguably the most important players on the teams. Great ones like Nicklas Lidstrom, Scott Niedermayer and Chris Pronger can completely alter the outcome of an entire season almost single-handedly. Who were the top pairing defensemen this year, how will they used, and how effective were their teams when they were on the ice?

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.