McClanahan (9-5) picked up the loss Thursday against Boston, pitching five innings and allowing four runs on eight hits with two walks and eight strikeouts.
The rookie left-hander ran into trouble early Thursday, surrendering four runs across five innings, all of which came via singles. Despite tying a season-high four runs allowed, McClanahan also tied a career-high eight strikeouts. The southpaw is tentatively scheduled to take the mound next week against Boston once again.