The fences at Safeco Field are coming in.
The Seattle Mariners announced plans Tuesday to move in the outfield fences at their ballpark for the 2013 season after years of debate on the impact that having one of the more spacious outfields in baseball was having on their offense.
The biggest change will come in the left-center field alley, where the fence will move in as much as 17 feet. The left-center power alley is currently 390 feet, but will be at 378 feet next season. From there, instead of a rounded fence, the wall will move straight out to its deepest point at 405 feet, four feet shorter than currently. The straighter line of the fence will lead to the 17-foot change.
Seattle general manager Jack Zduriencik said many factors were taken into account when determining whether changes to the field would be made, including Seattle's notoriously chilly April and May.
''Our goal was to create an environment that is fair for both hitters and pitchers,'' Zduriencik said in a state...