Declan Rice has been contacted by England and may opt to represent the Three Lions instead of the Republic of Ireland, says Martin O'Neill.
The West Ham teenager has started three friendlies for Ireland, making his debut in March, but is able to change allegiance as he has not yet played a competitive fixture.
Rice has not been named in O'Neill's preliminary squad for Ireland's meeting with Wales in the Nations League on September 6.
And O'Neill fears the 19-year-old, who can play in either defence or midfield, may make the switch to England.
"He is still deliberating.