What Zduriencik must fix this winter

The Seattle Mariners have confirmed that they will bring back general manager Jack Zduriencik for the 2014 season. For Zduriencik to stay on the job beyond next season, however, his sixth as Seattle's GM, the Mariners will need to make marked improvements in the win column, where they haven't reached .500 for four straight seasons.

Here are the key areas Zduriencik must address this offseason: