New York Yankees ace Cam Schlittler brought the heat both on and off the field Friday, as he put a trolling Boston Red Sox fan on blast.Schlittler, 25, posted a career-high 13 strikeouts in six shutout innings in the Yankees’ 5-0 win over the Cincinnati Reds at Yankee Stadium and made sure his fastball stayed hot on social media. The Walpole, Massachusetts, native first drew the ire of the Red Sox fan before Game 3 of the AL Wild Card Game last season in October.He quieted the Red Sox hitters that night, striking out 12 hitters across eight scoreless innings, but the noise from Boston fans has only grown. After his start Friday, Schlittler exposed one fan who had crossed the line.CLICK HERE FOR MORE SPORTS COVERAGE ON FOXNEWS.COMHe screen-recorded all of the fan's insults and posted them to his Instagram Story, captioning the post "Rent Free" with two laughing emojis.The insults began the day of his Wild Card start, when a Red Sox fan with the Instagram handle "Kyle_Lynch11" started chirping at Schlittler, calling him a clown. Lynch’s messages didn’t stop there."Never forget where u came from," one message read.ZERO BS. JUST DAKICH. TAKE THE DON'T @ ME PODCAST ON THE ROAD. DOWNLOAD NOW!Lynch’s messages continued throughout October and November all the way through March and April, when he frequently called the Yankees star a "p---y."Lynch then sent a message with vomit emoji’s after seeing one of Schlittler’s outfits, and the Yankees pitcher finally responded."Stop glazing lil bro," Schlittler said.Schlittler was then once again called a "p---y," and Lynch declared that the Reds would light him up on Friday, which was far from what happened.In the win, Schlittler lowered his American League-leading ERA to a sparkling 1.71. He is 8-3 with 109 strikeouts in 95 innings, overpowering hitters with his lethal fastball, sinker and cutter combination.Lynch’s chirps were not like some of the death threats that Schlittler told reporters he and his family received from Red Sox fans.Follow Fox News Digital’s sports coverage on X, and subscribe to the Fox News Sports Huddle newsletter.