Dele Alli struggling for fitness | GettyImages
The Tottenham player has been battling to be fit after suffering from a hamstring injury two weeks ago. The player who has Nigerian roots but chooses to play for England has been tipped to miss both of England's international friendlies against Croatia and Spain.
Dele Alli is one of Pochettino's most trusted soldier and the injury must have really caused him a lot of worries.
The player was seen in a picture just surfacing online training at the gym with the new technology, the altitude mask that provides endurance boost and conditions the athlete's body within a short period of time.
Tottenham is currently battling with a lot of injury issues, Dele Alli's injury adds to the list of players injured which includes Eriksen, Dembele, Vertoghen and Aurier.
