Jeffrey Scot Suppan (/ˈsuːpɑːn/; born January 2, 1975), is an American former professional baseball pitcher and current professional baseball coach who played 17 seasons in Major League Baseball (MLB). He played for the Boston Red Sox, Arizona Diamondbacks, Kansas City Royals, Pittsburgh Pirates, St. Louis Cardinals, Milwaukee Brewers and San Diego Padres. Since 2015, Suppan has been the pitching coach for the Idaho Falls Chukars in the Kansas City Royals system.