Fourteen times this year, the Diamondbacks have trotted out a starting pitcher not named Zac Gallen, Merrill Kelly, Madison Bumgarner or Zach Davies. In those 14 starts — one for Caleb Smith, nine for Humberto Castellanos, three for Tyler Gilbert and one for Luke Weaver — they’ve gotten a combined 7.93 ERA across 59 innings.
Now, the Diamondbacks are turning to Dallas Keuchel. The 34-year-old will make his Diamondbacks debut in Sunday’s series finale against the Tigers.
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