Mo Vaughn, 12-year MLB veteran, admits using HGH to extend career Posted by NOWlej | Mar 10, 2025 | Red Pill NOWlej | 0 | Ex-Boston Red Sox slugger Mo Vaughn admitted injecting human growth hormone into his degenerative knee to help extend his 12-year MLB career. Read More in Latest & Breaking News on Fox News. Read More in Red Pill NOWlej.