The West Ham United right-back, currently on loan from Arsenal, featured for the Hammers in their win over QPR on Sunday.
England U21s v Croatia U21s
UEFA Euro U21 Championship
Play-off first leg
5.45pm, Friday 10 October 2014
Molineux, Wolverhampton Wanderers
Live on BT Sport
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But since reporting to St. George’s Park, he has been unable to join Gareth Southgate’s squad for training and would be unavailable for Friday’s first leg at Molineux.
"Jenks has had to go home, as he hasn’t trained with us all week after feeling his hamstring after the game on Sunday," revealed Southgate.
"We haven’t made sufficient progress with that, so to be fair to him and the club it’s better that he goes back and they will be able to pick it up.
"We have Michael [Keane] and Eric [Dier], so we’re pretty well covered."