Baseball America on X: Find @MsPlayerDev pitchers George Kirby and Emerson Hancock on a BA cover near you soon 😎 Both feature prominently in our Top 100 Prospects update: /

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Mariners pitching prospects ready to compete again

George Kirby dazzles for Double-A Arkansas

A Crossroad Awaits The Mariners And George Kirby

Baseball America on X: Find @MsPlayerDev pitchers George Kirby

Kirby's Breakthrough Adds Potential Ace To System's Bevy Of Bats

Mariners pitching prospects ready to compete again

George Kirby dazzles for Double-A Arkansas

Mariners pitching prospects ready to compete again

George Kirby, Emerson Hancock

A Crossroad Awaits The Mariners And George Kirby