On 25 March 2017, Watson came back to defend his yokkao title against Thai fighter Sorgraw Petchyindee. He won via unanimous decision. On 15 October 2017, he faced former Lumpinee champion Pongsiri PKSaenchaimuaythaigym. Watson won via KO (Head Kick) in the second round, retaining his 70 kg yokkao title.
