Diego Lopes Discusses Weight Gain Ahead of UFC BMF Title Bout

• Diego Lopes discusses his weight gain as he moves up to the lightweight division.
• He is set to face Charles Oliveira in a BMF title bout.
• Concerns have been raised about whether Lopes is too small for the heavier weight class.
• Lopes' weight gain was revealed during an event at the White House.
• The bout is scheduled to take place at a future date.