Feeds:
Posts
Comments

Archive for September 17th, 2011

Before the Yankees’ adopted a six-man rotation at the end of July, the team’s starters had posted one of the lowest combined ERAs in the league. Since then, however, the Yankees’ rotation has ranked 9th in the league with a 4.85 ERA. Coincidence or correlation?

When Joe Girardi first decided to expand the rotation to six, it was presented as a temporary solution to the Yankees’ glut of starters. In reality, however, it was really a structure designed to keep the struggling A.J. Burnett in a starting role. Six weeks later, not only has Burnett continued to weigh on the team, but now it seems as if the efforts made to accommodate the erratic righty have brought the rest of the staff down with him.

Yankees’ Starters ERA vs. American League, by Defined Period (click to enlarge)


Note: Yankees began using six-man on July 30; August 1 used for comparison to league because of ease of calculation.
Source: fangraphs.com

Luckily, the Yankees’ offense produced at season-high levels during August and early September. As a result, the team’s winning percentage has actually been higher since the Yankees’ adopted the six-man rotation (.614 vs. .600). However, the end doesn’t justify the means. Not only could the Yankees have won even more games during this period, but the team now finds itself with a rotation in flux only two weeks before the start of the post season. The six-man rotation may have been designed to accomplish something, but it’s hard to figure out exactly what.

(more…)

Read Full Post »