Provodnikov, 30, puts his WBO light-welterweight belt on the line against undefeated Chris Algieri, whilst 26 year-old Andrade puts his 154lb version up for grabs against mandatory Brian Rose.
Both Algieri and Rose are huge underdogs to cause an upset on Saturday night as both challenge for a world title for the first time in their careers.
Official weights from the Barclays Center, Brooklyn, New York:
Ruslan Provodnikov: 139.8 lbs.
Chris Algieri: 140.0 lbs.
Demetrius Andrade – 153.8 lbs
Brian Rose – 153.4 lbs
Provodnikov v Algieri is live on HBO Boxing this Saturday night from 10pm ET and on Sky Sports in the UK from 2am BST
Pictures by Ed Mulholland/HBO