 Hudson was named St. Louis' fifth starter going into the 2019 season.Over 33 games (32 starts) during the regular season, he went 16-7 with a 3.35 ERA, striking out 136 over innings, and had the highest ground balls percentage in the majors (56.9%), and the lowest fly balls percentage in the majors (21.3%).He led all major league pitchers in walks, with 86, had the highest walks/9 innings ratio in the major leagues (4.43), had the highest walks percentage in the major leagues (11.4%), and had the worst strikeouts/walks ratio in the majors (1.58).