Cleveland left-hander Parker Messick will make his major league debut in the heat of a playoff race.

The Guardians announced they will promote Messick, their second-round pick in the 2022 draft, to start the final game of a three-game set against the Arizona Diamondbacks on Wednesday afternoon in Phoenix.

The D-backs will send right-hander Brandon Pfaadt (12-8, 5.08 ERA) to the mound in the decisive game of the series after a 6-5 Arizona victory on Tuesday. The Guardians left the bases loaded in the seventh and eighth innings, and the Diamondbacks turned a 4-2 deficit into a 6-4 lead.

"We had a lot of weak contact tonight, but that's a testament to their pitching," Cleveland manager Stephen Vogt said. "They did a great job getting in on us. We had our opportunities."

Messick, 24, will

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