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Seattle Mariners call up top pitching prospect George Kirby; righty will start Sunday vs. Rays
![Top Mariners pitching prospect George Kirby to debut vs Rays on Sunday - Seattle Sports](https://lookaside.fbsbx.com/lookaside/crawler/media/?media_id=10160050812183979)
Seattle Mariners - Got the call. George Kirby will make his MLB debut tomorrow. #SeaUsRise
![Top Mariners pitching prospect George Kirby to debut vs Rays on Sunday - Seattle Sports](https://elonphoenix.com/images/2022/10/7/20220806_0534_BVH_Kirby_YeUlD.jpg?width=1416&height=797&mode=crop&quality=80&format=jpg)
Elon Baseball In The Pros: Kirby Helps Mariners To Playoffs - Elon University Athletics
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George Kirby makes MLB pitching debut for Mariners
![Top Mariners pitching prospect George Kirby to debut vs Rays on Sunday - Seattle Sports](http://blogs.fangraphs.com/wp-content/uploads/2022/05/USATSI_18243644.jpg)
Seattle Mariners Top 31 Prospects
![Top Mariners pitching prospect George Kirby to debut vs Rays on Sunday - Seattle Sports](https://images.seattletimes.com/wp-content/uploads/2022/05/164508-1-copy.jpg?d=1020x655)
Mariners calling up top pitching prospect George Kirby to join starting rotation
![Top Mariners pitching prospect George Kirby to debut vs Rays on Sunday - Seattle Sports](https://img.mlbstatic.com/milb-images/image/private/t_2x1/t_w1536/milb/qpka0smdpmgcdeiubrp4.jpg)
George Kirby Called Up To The Mariners
![Top Mariners pitching prospect George Kirby to debut vs Rays on Sunday - Seattle Sports](https://sportsnaut.com/wp-content/uploads/2022/05/18230683.jpg)
Mariners' George Kirby hoping for encore performance vs. Mets
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Mariners able to stop sweep on George Kirby's debut — Converge Media
![Top Mariners pitching prospect George Kirby to debut vs Rays on Sunday - Seattle Sports](https://www.thenewstribune.com/latest-news/74ytcw/picture261235712/alternates/FREE_1140/AP22129024199635.jpg)
Mariners notes: George Kirby brilliant in big league debut as Seattle snaps losing streak
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Mariners lineup news: Top pitching prospect George Kirby promoted to Majors, will make debut Sunday vs. Rays - DraftKings Network
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Mariners calling up top pitching prospect George Kirby - The Columbian
![Top Mariners pitching prospect George Kirby to debut vs Rays on Sunday - Seattle Sports](https://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/f4f9b40sbipxcd8ye7t8)
George Kirby makes MLB pitching debut for Mariners
![Top Mariners pitching prospect George Kirby to debut vs Rays on Sunday - Seattle Sports](https://images.seattletimes.com/wp-content/uploads/2022/05/tzr_162457.jpg?d=1020x655)
George Kirby has strong debut as Mariners beat Rays to snap six-game losing streak
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Mariners vs. Astros Probable Starting Pitching - July 6