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Cahill making mechanics adjustment in Minors

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LOS ANGELES -- Fixing D-backs right-hander Trevor Cahill is going to take some time.

Cahill on Thursday accepted an assignment to Class A Visalia in attempt to figure out the mechanical issues that led him to struggling so mightily this season at the big league level.

In his first outing for Visalia on Thursday night, Cahill allowed four runs on two hits. He did not walk a batter but did hit a pair.

The D-backs asked Cahill to make some mechanical adjustments, and after he throws his between-starts bullpen session, he will be transferred to Triple-A Reno for his next start.

The team will send pitching consultant and longtime Major League pitching coach, Dave Duncan, to work with him.

"I think if he does something one way for a long time, any little change is dramatic," D-backs manager Kirk Gibson said of Cahill. "Again, you want to get it to where you're doing it without thinking about it. I would guess [Thursday] night he was thinking about it and it takes something away. It's part of the process, so be patient and stay tuned."

Steve Gilbert is a reporter for MLB.com. Read his blog, Inside the D-backs, and follow him on Twitter @SteveGilbertMLB. This story was not subject to the approval of Major League Baseball or its clubs.

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