KC Royals' Signing of Matt Duffy Adds Competition and Depth to Infield - Sports Illustrated Kansas City Royals News, Analysis and More
Canisius pitcher Matt Duffy drafted by Red Sox
2023 MLB Draft: The Top 600 Prospects - Future Stars Series
MLB Draft 2023 report card: Keith Law dissects every AL team's players - The Athletic
RHP Matt Duffy, 4th round (115th) – Boston Red Sox - Signed $350,000 — Canadian Baseball Network
Matt Duffy Selected by the Boston Red Sox in MLB Draft - Canisius University Athletics
Matt Duffy - Wikipedia
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