Mapusaurus is the biggest meat-eater in the world. look at http://www.technewsworld.com/story/50042.html
No! As of this date the Siberian Tiger, is the largest cat in the wild. In captivity, the hybrid called the Liger or Tigon, is the biggest cat in the world.
the worlds biggest lion is the liger it can be as tall as a ladder.
The Barbary Lion is the biggest lion in the world, males can grow up to 600 lb