Neil Redfearn also comments on Leeds United summer signing Pawel Cibicki.
Stuart Dallas was substituted in the 52nd minute of Northern Ireland's 1-0 loss to Switzerland on Thursday night.
Leeds United signed three new strikers this summer but none of them had any experience of English football.
Leeds United could have brought in the ideal attacker but instead spent their money elsewhere.
Jay-Roy Grot signed for Leeds this summer for a princely £1.5million from NEC Nijmegen.
Leeds United gave Pawel Cibicki a rare start in midweek, but fans are left scratching their heads.
Leeds United take on Premier League opposition in the fourth round of the EFL Cup tonight.
Pawel Cibicki is yet to make his mark for Leeds United - though the same cannot be said for his successor at Swedish champions Malmo.
Like Marcus Antonsson, Pawel Cibicki has struggled to make an impact at Leeds United after moving from Sweden.
Leeds United striker Pawel Cibicki has still not featured in a league match since signing in the summer.