The Mariners made the move we all pretty much expecting, keeping Jason Bay as the fifth outfielder and designating Casper Wells for assignment.
There actually a series of moves (below). Perhaps the most curious at first glance is the selection of right-hander D.J. Mitchell to the 40-man roster. The reason for this is simple. By selecting Mitchell, the Mariners were able to designated Wells for assignment. Because Wells is out of options, and under spring training rules, the Mariners would have to release him had they simply taken him off the 25-man roster. But because they made the roster move …