What history can teach us about the Rockies trade deadline plans for Story and Gray

Happy Anniversary, Rockies fans. Sort of.  Excluding the mammoth trade of Troy Tulowitzki in 2015, a deal that saved the franchise $50 million in the process, the last deadline deal Colorado made in a losing season was on this date in 2012.  At 23 games under .500, 16.5 games behind the newly-implemented second Wild Card and three years removed from…