With spring training underway, the Seattle Mariners have the luxury to watch some of the most talented pitching prospects in the major leagues show off their stuff to try and earn a roster spot. With as many as two spots in the starting rotation not yet finalized, the Mariners will have their fair share of decisions to make come Opening Day.
Today, we're going to go over the pitchers with the most upside for the Mariners in spring training. These rankings will not be based just on talent, but instead a mix of potential and current talent. This is also not just limited to starting pitchers; some of the most talented young Mariners are currently relief pitchers.
With that in mind, let's look at the three pitchers with the most upside in camp for the Mariners right now.