Footballer Callum Hudson-Odoi was added to Gareth Southgate 's senior squad after a player got injured .
He was called-up by the England under-21 team for the first time in March 2019 but within a matter of days due to injury of some of the senior squad players , he was called up to Gareth Southgate 's senior squad and described it as `` a dream come true '' .
Callum Hudson-Odoi