In 2014, before purposefully consuming capsules of laundry detergent became a popular thing, the Mariners had one of the best bullpens in baseball in a season when they were in playoff contention until their final game and finished 87-75. A motley crew of relievers led by the inimitable and unpredictable Fernando Rodney stayed together the entire season to post a 2.59 ERA, the lowest in Major League Baseball, with a 1.156 WHIP, second best in the AL and 9.1 strikeouts per nine innings, which was third best in the league.
The following year they returned all seven of those key pieces to a team with postseason aspirations.