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.

Lourdes Gurriel Jr. drove in three runs, Jake McCarthy hit a solo homer and the Arizona Diamondbacks beat the Cleveland Guardians 6-5.

The Cleveland Guardians' No. 12 prospect, Parker Messick, is set to make his MLB debut against the Arizona Diamondbacks on Wednesday.

The Guardians provided a progress report on many prospects, including Travis Bazzana and Chase DeLauter, who has resumed baseball activity amid rehab.

The Guardians have been one of MLB’s hottest teams over the last few weeks, primarily because of the offense. Cleveland had a team slash line of 251/.326/.421 from the All-Star Break heading into their series against the Braves.

The Cleveland Guardians are fighting for their spot in the playoff picture, and calling up the right prospects could help them do it.

The Cleveland Guardians have a handful of decisions to make following this season, and it may mean getting rid of key pieces.

The host Cleveland Guardians and Atlanta Braves met Aug. 16 in the middle game of a three-game series. Here's how it unfolded through our updates.

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The four Guardians prospects who rank in MLB.com’s top-100 list include Travis Bazzana (No. 15), Chase DeLauter (No. 56), Angel Genao (No. 57), and CJ Kayfus (No. 59).

Diamondbacks starter Zac Gallen is 2-0 with a no-decision in August and is pitching better of late, but his ERA is his career-worst.