Blackburn (1-3) allowed four runs (three earned) on four hits and one walk while striking out five across four innings, taking the loss to the Mariners on Tuesday.
Blackburn surrendered a three-run fourth inning that included a pair of triples, while it took him 83 pitches to get through four innings. The 27-year-old has a 5.17 ERA and 1.60 WHIP with 23 strikeouts in 31.1 innings this season, though he's done a good job in the walks department, giving up one or zero in five of his seven starts this season. His next start is scheduled for Sunday against the Astros.