By: William HolmesThe following is the Boxing Insider notebook for the week of May 20th to May 27th, covering the comings and goings in the sport of boxing that you might have missed. and Floyd Mayweather and that each side is telling a very different version of events surrounding the fight. Verdejo (12-0) will take on Engelberto Venezuela (9-1) in a six round lightweight bout. Lopez (12-0) will take on Raul Higaldo (21-10) in an eight round bout. The winner of Mitchell and Maduma will become the mandatory challenger for IBF Lightweight champion Miguel Vazquez.