After graduating from Seven Lakes High School, Hart played college baseball at Texas State University. He was drafted by the Baltimore Orioles in the 27th round of the 2013 Major League Baseball Draft.\n', '

After signing with the Orioles, Hart made his professional debut that season with the Aberdeen IronBirds, going 3-1 with a 2.25 ERA in 24 relief innings pitched. In 2014 he pitched for the Delmarva Shorebirds where he was 1-3 with a 3.68 ERA in 24 relief appearances, and in 2015, he played for Delmarva, the Frederick Keys, and the Bowie BaySox, pitching to a combined 6-2 record and 1.49 ERA in 54.1 innings pitched out of the bullpen. He began 2016 with Bowie.\n', '

Hart was promoted to the majors for the first time on July 14, 2016. He made his major league debut on July 17, throwing ​2⁄3 innings while earning his first career strikeout. He made two more scoreless appearances for the Orioles the next two games before being optioned back to AA Bowie on July 24. He was recalled again on August 12, where he pitched 1​1⁄3 perfect innings out of the bullpen. He also had one at bat in the game, striking out. On September 22, Hart allowed the first run of his career, a solo home run to Hanley Ramírez in a game against the Boston Red Sox. The home run ended Hart\'s streak of 18 consecutive scoreless games to start his career and his 15​1⁄3 scoreless innings streak also came to an end. He ended his first year in the big leagues having pitched in 22 games while tossing 18​1⁄3 innings and only allowing one run (via solo home run). Hart pitched to a 0.49 ERA and 0.98 WHIP while striking out 12 batters and issuing six walks. Hart made the Orioles Wild Card Game roster and ended up pitching to one batter, inducing a fly out to end the seventh inning. The Orioles would go on to lose in the 11th inning, 5-2.\n', '

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