Let us all watch the official Pacquiao vs Mosley weigh in before his fight. I am sure they will surely get the weight in order for them to fight on this division. They will fight for the WBO Welterweight World Title Championship. I will also update this post and I will also embed the video of Pacquiao vs Mosley weigh in. So for you to watch Pacquiao vs Mosley Online come back here!