What happened: Corbin Burnes remains resolute about pitching this season after suffering a recent injury setback during his rehabilitation from Tommy John surgery. The ace experienced a lat strain just before he was scheduled to begin a rehab assignment in the complex league.

Why it matters: His determination provides hope for the Diamondbacks as they look to bolster their rotation for a late-season playoff push. Burnes has openly stated his intention to aggressively push his recovery timeline in order to make a comeback by September.

What to watch: Burnes will continue to undergo treatment for his lat strain while working toward resuming a throwing program.