Jeff Karstens - Image Credit: Pittsburgh Pirates

Jeff Karstens has been working on some adjustments over his last several starts. Since returning from the disabled list due  to a shoulder injury, which caused him to miss over two months, Karstens has posted a 3.79 ERA after his four earned run outing on Monday against Los Angeles.

"I don’t think I’ve pitched terribly, but I also don’t think I’ve pitched well enough to win," Karstens said. "There’s a fine line there. I’ve always said that if we score one run, my job is to put up a zero."

He's had some sequences of great starts, showing flashes of his 2011 self. Two of those nine starts have been scoreless, but five of them the right-hander has allowed at least three earned runs. And it's not from the length of the season wearing on...

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