Naughton (0-3) allowed four earned runs on four hits and three walks while striking out one across four innings, taking the loss to the Astros on Tuesday.
Naughton surrendered back-to-back home runs to Kyle Tucker and Aledmys Diaz in the second inning, and he has now lost in three of his four starts. The 25-year-old has a 5.23 ERA and 1.65 WHIP with 12 strikeouts in 20.2 innings this season. His next start is tentatively scheduled for Tuesday in Texas.