Colorado Rockies: Mid-season ranking of the 2018 starters

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CHICAGO, IL - APRIL 30: Starting pitcher Kyle Freeland #21 of the Colorado Rockies delivers the ball against the Chicago Cubs at Wrigley Field on April 30, 2018 in Chicago, Illinois. The Cubs defeated the Rockies 3-2. (Photo by Jonathan Daniel/Getty Images)
CHICAGO, IL - APRIL 30: Starting pitcher Kyle Freeland #21 of the Colorado Rockies delivers the ball against the Chicago Cubs at Wrigley Field on April 30, 2018 in Chicago, Illinois. The Cubs defeated the Rockies 3-2. (Photo by Jonathan Daniel/Getty Images) /
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German Marquez of the Colorado Rockies
KANSAS CITY, MO – AUGUST 24: German Marquez #48 of the Colorado Rockies throws in the first inning against the Kansas City Royals at Kauffman Stadium on August 24, 2017 in Kansas City, Missouri. (Photo by Ed Zurga/Getty Images) /

5. German Marquez

I was one of the few skeptics when it came to the possible dominance of Gray. Instead, I believed that German Marquez would become the ace of this rotation. Unfortunately, this season that hasn’t been the case.

Marquez is 5-8 with a 5.53 ERA. I think the best stat to gauge a pitcher’s performance is adjusted ERA (ERA+). This stat takes into account the ballparks the pitchers play in. League average is 100. Jacob deGrom is the league leader in ERA+ at 225. That means that deGrom is 125 percent better than the average pitcher. Marquez’s ERA+ is 85.

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The reason I was such a high believer when it came to Marquez was because he has three plus pitches that he can command when he is at his best. However, the reason he has struggled so mightily this season is due to his lack of the command of the fastball.

Marquez’s fastball is his go to pitch and hitters have been crushing it. Batters are hitting his fastball at a .322 average.

Marquez is also struggling at home with a 7.93 ERA. The one bright spot is that he has performed well at away from Coors Field with an ERA of 3.07.

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