Reporter A CLASH long time coming, mixed martial arts legend Demetrious “Mighty Mouse” Johnson said he is ready and cannot wait to seize the ONE Championship world flyweight title from reigning champion Adriano “Mikinho” Moraes. Mr. Johnson (30-3-1) is to challenge Brazilian Moraes (18-3) in the headlining fight for “ONE on TNT I” in Singapore on Thursday, which will be broadcast on prime time in the United States. The event is the first of a four-part weekly offering until April 29 from ONE that will have the promotion’s preliminary card digitally streamed exclusively on the Bleacher Report App and B/R Live followed by three main card fights televised exclusively on TNT.