Lucas Frost Giolito (born July 14, 1994) is an American professional baseball pitcher for the Chicago White Sox of Major League Baseball. He attended Harvard-Westlake School in Studio City, California, and was selected by the Washington Nationals in the first round in the 2012 MLB draft. He made his MLB debut with the Nationals in 2016. His fastball has been clocked as high as 100 miles per hour (160 km/h). In 2019, as a member of the White Sox, he was named to the MLB All-Star Game and pitched one scoreless inning in a 4–3 victory for the American League. On August 25, 2020, he became the 19th player in White Sox history to throw a no-hitter in a 4–0 victory over the Pittsburgh Pirates. Giolito struck out 13 batters with just one walk to become the first White Sox player to toss a no-hitter with 10 or more strikeouts.