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ALL-USA Watch: Burnsville's Sam Carlson may be best Minnesota prospect since Joe Mauer | USA TODAY High School Sports
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Following a healthy 2021 season, Mariners pitching prospect Sam Carlson is focused on execution, not his surgically repaired elbow | The Seattle Times
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Mariners pitcher Sam Carlson wondered if he'd ever throw again. Now, he's a spring training inspiration. | The Seattle Times
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Top Mariners pitching prospect, Sam Carlson, undergoes Tommy John surgery | Columbia Basin | yoursourceone.com
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