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
Baseball America on X: Find @MsPlayerDev pitchers George Kirby
George Kirby dazzles for Double-A Arkansas
Mariners pitching prospects ready to compete again
Mariners pitching prospects ready to compete again
Kirby's Breakthrough Adds Potential Ace To System's Bevy Of Bats
A Crossroad Awaits The Mariners And George Kirby
George Kirby dazzles for Double-A Arkansas
A Crossroad Awaits The Mariners And George Kirby
George Kirby, Emerson Hancock
