Peterson took a no-decision Wednesday against the Cardinals, allowing six runs on seven hits and two walks in 3.2 innings. He struck out one.
After Austin Warren got tagged for two runs in the first inning as the opener, Peterson was able to deliver a scoreless second as the bulk reliever before the wheels came off. The one strikeout matched his season-low output, and the 30-year-old southpaw also gave up at least four runs for the sixth time in 14 appearances (seven starts) this year. Peterson, who has a rough 5.75 ERA, 1.64 WHIP and 57:26 K:BB over 61 innings, is tentatively scheduled to take the mound in Cincinnati his next time out, whether behind an opener again or in a traditional start.