The Chicago Cubs starting rotation has been underperforming in the pitching department this year. They are second-worst in walks per nine innings at 4.22, tied for sixth-worst in fielding independent pitching (FIP), 20th in total strikeouts with 396, yet have somehow come out ninth-best in team earned run average with a 3.83 ERA for the entire team. Jon Lester has been himself for the most part, and Mike Montgomery has been a viable option for the back end of the rotation. The other three st[...]