In my first post, earlier today, I pointed out that the Yankees led the majors in regular season wins over the five-year periods from 2007 through 2011, 2006 through 2010 and 2005 through 2009 — with exactly the same number of total wins over each of those five-year periods. One can look at the full sequence of such five-year periods through baseball history, and by doing so look at which team, at the end of each season, was at that moment the “Best Team of the Past Five Years”.
This method gives a look at which team was most consistently around the top of major league baseball during various eras. After the jump, you’ll see a full list, beginning with 2011 and going back to the beginning of the 20th Century, showing for each year the team that had the best overall record over the five then-most-recent regular seasons. So, for example, when the list below shows the Yankees as the “Best Team of the Past Five Years” in every season from 2004 through 2011, that means the Yanks had the best five-season record overall during each of the following five-year periods: 2000 to 2004, 2001 to 2005, 2002 to 2006, 2003 to 2007, 2004 to 2008, 2005 to 2009, 2006 to 2010 and 2007 to 2011.
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