As the 2013 season begins, the Seattle Mariners, like many teams, have several story lines to monitor moving forward. Whether they are at the major league level now, or on the verge of being there, Mariners fans will have plenty to think about other than the win-loss record.

It is far too soon for fans to start worrying about anything since it’s only one series into the season, but there are still plenty of things that could be taken away after just four games in Oakland.

With that in mind, here are the 10 story lines Mariners fans should be keeping an eye on early in the 2013 season.

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