Dominic Joseph Leone (born October 26, 1991) is an American professional baseball pitcher for the St. Louis Cardinals of Major League Baseball (MLB). He made his MLB debut for the Seattle Mariners, and has also played for the Arizona Diamondbacks and the Toronto Blue Jays. Prior to playing professionally, Leone played college baseball for the Clemson Tigers. \n', '

Leone attended Norwich Free Academy in Norwich, Connecticut, where he played for the school\'s baseball team. Undrafted out of high school, he then enrolled at Clemson University, where he pitched for the Clemson Tigers baseball team.\n', '

As a true freshman, the Tigers turned to Leone in a game where they faced postseason elimination; Leone won the game, which sent the team to the 2010 College World Series. A strained shoulder in his sophomore year led him to develop his off-speed pitches. In his junior year, he had a 7–4 win–loss record and a 5.25 earned run average (ERA). While struggling in his junior year, Leone taught himself to throw a cutter by watching YouTube videos of Mariano Rivera.\n', '

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