Former UFC middleweight champion Robert Whittaker is contemplating a move to light heavyweight, which is something Chael Sonnen would love to see. Sonnen can speak from experience because he challenged for the UFC middleweight and light heavyweight titles – in back-to-back fights, no less. With Whittaker’s career in an interesting place, Sonnen would love to see the former champ make the move up to 205 pounds because he believes there are advantages, and returning to 170 pounds where he began his UFC career is not an option. “Let’s encourage that,” Sonnen said on his YouTube channel.