Croatia(U21) are basically on the verge of elimination. So they are doubtful in this match.
On the other hand, England(U21) still have a chance to qualify, but the chance is slim.
The AH opening line is -0.75 for the away side, which is in favor of England(U21).
There is a gap between both sides in the line-up.
Besides, England(U21) are superior in past record.
To sum up, England(U21) are expected to win in this game.