Frankie Muniz sparked concern after a series of cryptic social media posts that Page Six can confirm is about his struggling NASCAR career and ongoing divorce. “He hasn’t done well in racing this year,” a source claimed to Page Six. “He’s struggling in the truck series, but he’s done well in another racing series. “I think a lot is up in the air around his NASCAR career which has always been his dream since he was a child.” The “Malcolm in the Middle” star took to Instagram on Friday to share that the last six weeks of his life have been a “nightmare” he’s praying to wake up from. “Everything felt heavy, unclear, and like it was falling…
