Weekly Prospect Update: Seattle Mariners
September call-ups are among us. Top prospects all around baseball are being given a chance to taste the Major Leagues. Some even have a chance at helping their big league club make a push for the postseason. September is perhaps the most exciting month for baseball, and seeing top prospects in action is a big part of it.In the Wild Card race, the Seattle Mariners are a team on the outside looking in. They're 69-70 and are three games out of a Wild Card spot. With about a month of regular season baseball left, they're…