Wales and England have both risen in the latest FIFA rankings after wins in their World Cup qualifiers earlier this month.
West Brom are hopeful midfielder Chris Brunt will be back in their Premier League plans next month.
Northern Ireland defender Gareth McAuley insists his side must beat San Marino in their next World Cup qualifier to ensure a positive start to the campaign.
Steven Davis has conceded Northern Ireland may have been lucky to get away with a 0-0 draw against the Czech Republic.
Spain ran Liechtenstein ragged as they began their 2018 World Cup Qualifying campaign with a thumping 8-0 win in Leon.
Northern Ireland earned a point after drawing 0-0 with Czech Republic in their opening World Cup Qualifier on Sunday.