Prediction Machine, Team Rankings, Predictem, Oddsshark, Foxsheets, MasseyRatings, Accuscore, Sportsline, are among power ratings and models that have become enormous in recent years for bettors. Joe Duffy, the top bettor on earth, breaks down which ones win and which do not. Duffy is CEO of OffshoreInsiders.com

• Sharp gave me rundown which ones did well and varied from sport
  
• Became obvious
  
• One put heavy emphasis on recent play better in college
  
  • CBS Sportsline
    
  
  
• Full season power rankings better in pros
  
  • Accuscore
    
  
  
• Most of the power ratings way too heavy on momentum
  
  • Spits in the face of overvalued and regression to mean
    
  
  
• Frankly were programmed based on square belief of going with hotter team
  
• Though once you figure out one size does not fit all
  
  • Intrinsic biases in each make them great in some and horrible in others
    
  • Sssssssh, in NBA totals fade CBS Sportsline
    
  
  
• KenPom great for predicting odds
  
  • Different than picking ats
    
  
  
• Still for me corroboration
  

Knowing strengths and weaknesses of each