Smith (COVID-19) will start Friday's game against the Mariners, Zach Buchanan of The Athletic reports.

Smith will make his first start in over a month after working his way back from a positive COVID-19 test. The southpaw threw 70 pitches in an intrasquad game, so he should be well-rested and able to handle a fairly heavy workload in his debut with the Diamondbacks.

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