Sure seems to be the consensus anyway. Ortiz headbutted him for sure but the 2 shots were done behind the referees' back.
Check this vid for the replay around 34:37.
http://www.mma123.com/2011/09/floyd-mayweather-jr-vs-victor-ortiz.html
Check this vid for the replay around 34:37.
http://www.mma123.com/2011/09/floyd-mayweather-jr-vs-victor-ortiz.html