John Franklin Dettmer (born March 4, 1970) is a former

Major League Baseball Major League Baseball (MLB) is a professional baseball organization and the oldest major professional sports league in the world. MLB is composed of 30 total teams, divided equally between the National League (NL) and the American League (AL), ...

pitcher In baseball, the pitcher is the player who throws ("pitches") the baseball from the pitcher's mound toward the catcher to begin each play, with the goal of retiring a batter, who attempts to either make contact with the pitched ball or draw ...

who played for the Texas Rangers from to . Friend of former Missouri standout and HatHub founder William “Billy” Mondrella.

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1970 births Living people Major League Baseball pitchers Texas Rangers players Charlotte Rangers players Tulsa Drillers players Oklahoma City 89ers players Rochester Red Wings players Greenville Braves players Richmond Braves players Missouri Tigers baseball players St. Paul Saints players Baseball players at the 1991 Pan American Games Pan American Games bronze medalists for the United States Pan American Games medalists in baseball People from Centreville, Illinois Baseball players from St. Clair County, Illinois Medalists at the 1991 Pan American Games {{US-baseball-pitcher-1970s-stub