Mariners clinch postseason berth for first time since 2001, snapping longest MLB playoff drought | CBS Sports Headlines Mariners clinch postseason berth for first time since 2001, snapping longest MLB playoff drought The Mariners have made the playoffs for the first time since their record-setting 2001 team ESN FeedsThis post … Continue reading Mariners clinch postseason berth for first time since 2001, snapping longest MLB playoff drought