Demetrious Johnson wasn’t the only legendary combat sports athlete to lay down his gloves at One Championship 168. Liam Harrison has done it all in Muay Thai. The 38-year-old English fighter rose to prominence in the mid-2000s, becoming champion in multiple promotions around the globe. Of even greater important to his Muay Thai legacy is that Harrison took on many top-ranked Thai fighters and stadium champions, picking up a handful of incredible wins in the process.