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It’s always good to limit the innings of injury-prone starting pitchers when you have a deep, reliable bullpen to back it up.
The Rockies do not have that luxury.
Rockies ace Jhoulys Chacin has pitched masterfully this season. He owns an 11-6 record with a 3.18 ERA and 90 strikeouts.
In 23 starts this season, Chacin has only crested 100 pitches three times. The Rockies have lost six games when Chacin was yanked early through a quality start.
In those six starts, Chacin averaged about six innings and 94 pitches.
The Yankees Hiroki Kuroda has not only pitched deeper into games, but averages about 100 pitches a start. He’s doing that at the age of 38 and with a bullpen that ranks in the top 10 in ERA (3.37).
Chacin is not the only starter whose quality starts are being cut short.
The Rockies have an unprecedented pitching staff this season in terms of productivity. Three starters with ERAs below 3.30 make up a Rockies rotation that was the worst in baseball last season.
Tyler Chatwood, Jorge De La Rosa and Juan Nicasio have all had their innings limited through quality starts. Overall, the rotation ranks 25th in baseball in innings pitched.
That stat alone has left the Rockies’ bullpen tired and overworked, struggling mightily through the second half.
If Weiss allowed his starters to habitually crest 100 pitches there would be a larger risk of injury, yes, but the Rockies would also have a significantly higher number of wins to their name.