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