Yep, Hinojosa got hit by a cuffing right hand to the back of the head and went down and stayed down in an acting job. (As I recall his trainer, the guy who always wears dark glasses in the corner, was leaning in and, it seemed, telling him to be sure to stay down.)
.... I am inclined to cut Mayol a bit of slack, Ghost. He got hit by a pretty good shot that he wasn't expecting. Yes, he likely could have got up, but his ability to fight would have been compromised. ... Edgar Sosa made a huge mistake (although mostly I blame his corner) by fighting on after getting his cheekbone cracked in the Mayol head clash incident. Sosa should have pulled the "blurred vision" dodge in the manner of, say, Rahman, Campbell or Camacho Jr. Sosa was either too dazed, too game or too damned proud to do this, and look where his pride and heart got him. Sometimes it is prudent for a fighter to do the sensible thing. Before the so-called "no foul" rule even the old-time fighters were occasionally known to try to cop a win by DQ when hit low. I'm afraid to say that the British heavyweight Phil Scott was notorious for this.