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Kevin Mongeon is the principal owner at The Sports Analytics Institute and shows how sports analytics can impact on winning and losing in his blog, "More Hockey Data"? Unlike baseball where specific actions show measureable results, hockey is played in a continous flow making the game more difficult to put into an analysis on paper.
Mongeon says additional data is needed to discover a statistical path to a winning season. He needs statistical models that can examine a player's abilities even under different scenerios.
An NBA study by Jenna Wiens, Guha Balakrishnan, Joel Brooks, and John Guttag from MIT examines the offensive/defensive strategy about whether it's better to crash the boards for an offensive rebound or lay back and play defense.
This detailed analysis developed the Crash Index and Retreat Index to determine which philosophy gives a team the opportunity to score more points. The study found that when a team made a big effort for the offensive rebound, it gained more than passivly staying back on defense. The study does note that it does not take player personel into account.
John Parolin, Statistics Analyst, ESPN Stats and Analysis is part of a team that recorded every single play in the NFL 2012 regular season and playoffs. For this year's Super Bowl, the easy finding was that major mid-season changes, offensive coordinator for the Ravens and quarterback for the 49ers, led both teams through the playoffs. The Ravens rush/pass ratio turned from 40 percent to 49 percent after the change, while the 49ers new quarterback, Colin Kaepernick, experienced great success with the zone-read option where he determined the play based on the actions of an unblocked linebacker.
ESPN found that the one team, Atlanta Falcons, had overplayed Kapernick's running ability in the zone-read option, and held him to just 21-yards rushing — and almost led them to an upset of the 49ers. The Ravens successful defense of the zone-read option, in the first half anyway, was one of the keys to their victory.