Players are like stocks on the stock market. Their value fluctuates on a day-to-day, month-to-month and mostly year-to-year basis. This year, for several players there were significant swings in value changes from 2015 positive and negative.
Here are my lists of the most value gained and most value lost in 2016 based on actual performances. As in previous years, I will be predicting actual years and values for all of the top free agents later in October.
For now, here are the players whose values have changed the most.