The Twins have been near the bottom in ERA in the American League for the past decade. Here are their rankings each season, along with how they stood among starters and relievers.
2018: bullpen 9th, 4.45 ERA; starters 9th, 4.54 ERA; overall 9th, 4.50 ERA.
2017: bullpen 12th, 4.40 ERA; starters 9th, 4.73 ERA; overall 9th, 4.60 ERA.
2016: bullpen 15th, 4.63 ERA; starters 15th, 5.39 ERA; overall 15th, 5.09 ERA.
2015: bullpen 10th, 3.95 ERA; starters 8th, 4.14 ERA; overall 10th, 4.07 ERA.
2014: bullpen 10th, 3.73 ERA; starters 15th, 5.06 ERA; overall 15th, 4.58 ERA.
2013: bullpen 6th, 3.50 ERA; starters 15th, 5.26 ERA; overall 14th, 4.55 ERA.
2012: bullpen 10th, 3.77 ERA; starters 14th, 5.40 ERA; overall 13th, 4.77 ERA.
2011: bullpen 14th, 4.51 ERA; starters 12th, 4.64 ERA; overall 13th, 4.60 ERA.
2010: bullpen 4th, 3.49 ERA; starters 5th, 4.17 ERA; overall 5th, 3.95 ERA.
2009: bullpen 4th, 3.87 ERA; starters 12th, 4.84 ERA; overall 11th, 4.50 ERA.
Total: bullpen 13th, 4.04 ERA; starters 14th, 4.81 ERA; overall last, 4.52 ERA.
(American League had 14 teams until 2012, 15 teams since)