Sampath Bandarupalli is a statistician at ESPNcricinfo
23 Centuries for Joe Root in Test cricket. Only Alastair Cook, with 33 tons, has more for England in the format. Root shares the second spot with Kevin Pietersen, who also scored 23 hundreds.
12 of Root's 23 centuries have come in 55 Tests as captain, the joint-most by an England player, alongside Cook.
6 Number of centuries by Root in 2021. He is only the third England batter with six Test tons in a calendar year after Denis Compton in 1947 and Michael Vaughan in 2002.
6 Root's six centuries in 2021 puts him behind only Ricky Ponting in the list of most Test centuries by a captain in a calendar year, with the former Australia captain hitting seven tons in 2006. No England captain had hit more than four Test centuries in a single year before Root in 2021.
8 Root now shares the record for most Test centuries scored against India with Gary Sobers, Viv Richards, Ponting and Steven Smith. His eight hundreds are also the most by anyone in Tests between England and India.
1398 Root's Test tally in 2021, the most by an England captain in a calendar year, going past Cook's 1364 runs across 14 Tests in 2015. Only three captains have scored more Test runs in a year than Root's 1398. Former South Africa captain Graeme Smith tops the list with 1656 runs scored in 2008.
875 Runs by Root against India in Tests in 2021. These are the third-most runs by any player in a calendar year against an opponent, behind only Don Bradman's 974 against England in 1930 and Clive Lloyd's 903, also against India, in 1983.