CONCLUSION: Overall these results suggest that fighting by itself does not significantly help a team score more goals or win more games, but it can often increase short-term momentum (i.e. the RATE at which they are getting shots) for one or both teams. Statistically speaking, if fights happen randomly it will take about 60 fights to equal one win, but if their timing is managed by the coach it could take as few as 30 fights to equal one win. PowerScout has uncovered many other factors that can provide a much greater contribution to winning than fighting, such as having a good penalty killing unit.
In short, fighting doesn't amount to much.
Furthermore, since a fight, by definition, involves both teams, the momentum factors also affect both teams. Which would logically suggest that if 30 fights equals one win, that same 30 fights also equals one loss. I suppose, if your team only fights when they're playing poorly, it might be more of a benefit. So I guess the best strategy is to employ a couple of those spot-picking ******* that all the fight fans seem to hate so much.