Now that the dust has settled and we have all come to terms with the fact that our beloved Evan Longoria is headed west, we have time to discuss just how rare it was for the Rays to actually part ways with their Face of the Franchise.
There are many ways this question could be answered. The way that immediately jumped out to this stats-loving writer was as follows: Measure the percent of total franchise WAR (as either a pitcher or hitter) that a certain player had been worth in their time with the franchise before being traded.