Thornburg took a step backward Saturday against the Cubs, allowing a hit, two walks and a wild pitch without retiring anyone. Thanks to a good job by Nate Jones after him, he allowed just one run.

This was the first run allowed by Thornburg in five games over five innings. He hadn't pitched in four days, so fatigue can likely be ruled out as a factor in the shaky outing. The ineffective appearance will likely prevent Thornburg from pitching in high-leverage situations in the near future.

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