Adam Warren was the epitome of consistency during his first run with the Yankees. Whether in the rotation or the bullpen, Warren was an often overlooked, but extremely dependable member of the pitching staff from 2013-2015. He compiled a 3.38 ERA in 148 games during that stretch.
That is why his struggles upon being shipped to the Cubs this winter were so surprising. He had never really failed as a professional, even in the minor leagues.
In 35 innings with Chicago, Warren had a 5.91 ERA and 5.82 FIP. His 4.75 walks per nine innings were easily a career high, as were his 1.