Jacques Kallis: the MVP of his generation
"Jacque Kallis is the greatest ever allrounder in my opinion. The international game will miss him. #Kallis"
Former England captain Michael Vaughan
"He became mister reliable, the game's going to miss him for sure."
Former Australia spinner Shane Warne
"The Garry Sobers of our generation."
Former India captain Rahul Dravid
"Been a privilege and an honour to have played alongside this living legend @jacqueskallis75 Congrats."
Kallis' South Africa team-mate, JP Duminy
"Well done on magnificent career @jacqueskallis75!! Great player, not a great watcher - remember Chittagong for 400+ partnership! See you in Oz!"
Kallis' South Africa team-mate, Johan Botha
Thanks number three, @jacqueskallis75. T'was a pleasure...— Iain O'Brien (@iainobrien) July 30, 2014
"Congrats @jacqueskallis75 on a legendary career. One of the greats of the game. Was a honour sharing a field with you and the Proteas will miss you."
Kallis' South Africa team-mate, Faf du Plessis
"Congratulations to @jacqueskallis75 on a fantastic career. Best allrounder in our generation. Wish him well!"
Former Sri Lanka captain Mahela Jayawardene
"He scored runs for fun, swung it both ways, could hit you in the head and had hands like buckets. Congrats @jacqueskallis75 #TheBest"
Former England captain Paul Collingwood
"Jacques Kallis - congratulations on a wonderful career. Quality cricket over a long period of time. One of the very best."
Former Australia fast bowler Jason Gillespie
Arguably the greatest ever cricketer retires...cricket will miss you, @jacqueskallis75!— Kevin Pietersen (@KP24) July 30, 2014
"Congrats @jacqueskallis75. It was a privilege to have shared the field with you. Enjoy retirement, you certainly deserve to."
Former South Africa batsman HD Ackerman
"One of the most influential cricketers of all time calls stumps, congratulations @jacqueskallis75 on an amazing career. #Legend"
Former Australia allrounder Tom Moody
"@jacqueskallis75 congrats on a magnificent career mate! Best ever!"
Former Australia quick Brett Lee
"Jacques Kallis. An absolute pleasure to play against you. An allrounder I always admired a lot. #legend"
Former Pakistan allrounder Azhar Mahmood
"Congratulations to @jacqueskallis75 on a brilliant career. One of the game's greatest ever players and best allrounder of my era. #classact"
Former England captain Alec Stewart
"Most Valuable Player of our generation has called it quits from all forms of International cricket. An era has ended. Jacques 'Great' Kallis."
Former India batsman Aakash Chopra
"There are few cricketers who have made as big an impact as @jacqueskallis75 did in his career. Congratulations on your great career."
Former India allrounder Sanjay Bangar
Unbelievable cricketer! @jacqueskallis75— simon jones (@si610) July 30, 2014
"What we were able to see as players was the man behind all the records. The aura in the change room, the calming influence on other players and the wonderfully subtle sense of humour, often in tight situations."
Kallis' South Africa team-mate Robin Peterson