Born: October 28, 1994 in London
Position: Lock/blindside flanker
Club: Saracens
Height: 1.95m
Weight: 115kg
Caps: 27 for England, three for British & Irish Lions
Itoje captained the England U20 team to win the 2014 IRB junior world championship and debuted for the senior side against Italy in the 2016 Six Nations.
He was a key contributor to England's 2017 Six Nations defence, playing off the side of the scrum, and was one of the Lions' standout players - and youngest, at 22 - in the drawn series against the All Blacks that same year.
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Essential Guide to 2019 Rugby World Cup
Everything you need to know about rugby and the World Cup...
The ninth Rugby World Cup kicks off on September 20 in Japan - the first time it has been hosted in Asia.