Jacob Misiorowski hits 103.6 mph vs. Yankees, unleashes hardest pitches ever tracked by MLB from starter Misiorowski got a strikeout for every letter in his last name. Content Original Link: https://sports.yahoo.com/mlb/article/jacob-misiorowski-hits-1036-mph-vs-yankees-unleashes-hardest-pitches-ever-tracked-by-mlb-from-starter-015732652.html