Kallis was named Leading Cricketer in the World in 2008 Wisden for his performances in 2007 in addition to being the "ICC Test Player of the Year" and ICC Player of the Year in 2005. He has been described by Kevin Pietersen and Daryll Cullinan as the greatest cricketer to play the game, and along with Wally Hammond and Sir Garry Sobers is one of the few Test all-rounders whose Test batting average is over 50 and exceeds his Test bowling average by 20 or more.