New Zealand captain Brendon McCullum says Alastair Cook is a "genius batsman" who is second only to Australian legend Don Bradman,
England captain Cook, scored his 24th Test century in the first Test against New Zealand in Dunedin.
Don Bradman scored 6,996 runs in his 80 innings in 52 Tests at an incredible average of 99.94.
Known as The Don, he only failed to average 100 for his Test career when he was out for a duck in his final innings
Alistair Cook has scored 7,243 runs in 156 innings in 88 Tests, at an average of 49.60.
Australia batsman Bradman hit 29 centuries in only 80 Test innings during a 20-year career between 1928 and 1948, at an unparalleled average of 99.94.