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...

To continue reading the rest of this article, subscribe to Pirates Prospects. Subscribers get access to every article on the site, along with all of our exclusive live coverage of the Pirates' minor league system, all for a very low monthly or yearly rate.

If you're already a member, you can log in below. If you think you're receiving this message in error, please e-mail tim@piratesprospects.com.