Matthew Clark Duff (born October 6, 1974) is a former Major League Baseball pitcher and hunter.
Duff grew up in Alligator, Mississippi. He appeared in seven games for the St. Louis Cardinals in 2002.
, he was running a bowhunting business and appearing in such shows as Buck Commander and Major League Bowhunter, which he owned and co-hosted. In January 2011, Duff began co-hosting the Friends of NRA TV show on the Outdoor Channel alongside Jessie Duff, who he married thirteen months later.