5 Most Dramatic 'Biggest Loser' Transformations

Michael Ventrella, Season 9
Starting weight: 526 pounds
Finale weight: 262 pounds
Pounds lost: 264
Percentage of weight lost: 50.19

Chicagoan Ventrella, who competed on "The Biggest Loser" with his mom, Maria, became the show's biggest loser ever with his 264-pound weight loss. Not only did dropping more than half of his body weight win him the $250,000 grand prize for Season 9, but he also continues to travel the country and inspire healthier ... more 

Michael Ventrella, Season 9
Starting weight: 526 pounds
Finale weight: 262 pounds
Pounds lost: 264
Percentage of weight lost: 50.19

Chicagoan Ventrella, who competed on "The Biggest Loser" with his mom, Maria, became the show's biggest loser ever with his 264-pound weight loss. Not only did dropping more than half of his body weight win him the $250,000 grand prize for Season 9, but he also continues to travel the country and inspire healthier lifestyles for individuals and corporate wellness programs. less