Millwall stars George Saville, Conor McLaughlin and Shane Ferguson have been called up to the Northern Ireland squad.
The trio have contributed to the Lions’ fine start to the Championship this season.
It’s a first call-up for England-born Saville, who qualifies to play for the Green and White Army through his grandmother.
Northern Ireland have two final World Cup qualifying games against Germany and Norway.
Meanwhile, Archer is in the Scotland squad for their crucial World Cup qualifiers against Slovakia and Slovenia.
Scotland are fourth in Group F and trail Slovakia and Slovenia.
They will need to beat both countries to have any hopes of competing in next summer’s World Cup.
Similarly to Saville, Kris Twardek has received his first international call-up to the Canadian senior side.
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