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Relegated to the Boston Red Sox bullpen, struggles on the mound continue for former Cy Young Award winner, Corey Kluber.
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All-MLB 2021 reliever nominee breakdown
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Boston Red Sox Top 51 Prospects
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Baseball America Prospect Report—September 20, 2021 — College Baseball, MLB Draft, Prospects - Baseball America
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Angels avert 4-game sweep with 5-4 victory over Red Sox
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12 Dynasty Prospects You Need To Know In September, Plus Five MLB Stash Ideas — College Baseball, MLB Draft, Prospects - Baseball America
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The Data Day No. 2: Our Rolling MLB Postseason Blog
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2021 Boston Red Sox Best Four-Seam Fastball Hitters: Part 2
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Red Sox pounce on Rays to complete impressive sweep
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Prospect Report: Red Sox 2023 Imminent Big Leaguers
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Boston Red Sox 2021 in Review: Phillips Valdez regresses - Over the Monster
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MLB Power Rankings Week 23: Which NL wild-card team has an edge? - ESPN
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Kenley Jansen signing fortifies a vastly improved Red Sox bullpen
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4 things to know about new Red Sox pitcher Michael Wacha
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Eduardo Rodriguez delivers another strong start in Red Sox' win over Mariners