Sears will be called up from Triple-A Toledo and will pitch in bulk relief behind opener Jacob Waguespack during Sunday's game against the Royals, Chris McCosky of The Detroit News reports.
The 23-year-old has worked across four minor-league levels this season and has posted a 2.16 ERA, 1.03 WHIP and 67:20 K:BB across 58.1 innings. Sears saw the bulk of his action at the Double-A level but covered 9.2 scoreless frames in his two outings for Toledo after being promoted in early August.