Steven Fletcher netted Scotland's first hat-trick for 46 years as Gordon Strachan's men beat Gibraltar 6-1 at Hampden.
Kyle Lafferty scored a brace to help Northern Ireland see off Finland 2-1 and stoke their burgeoning Euro 2016 dream.
A review of Sunday's action so far in the Euro 2016 qualification group stages, including Germany's 2-0 win over Georgia.
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Luis Suarez graced Anfield again on Sunday and vowed if he ever returned to England, it would be to play for Liverpool.
Underdogs North Ferriby United drew 3-3 with Wrexham before winning on penalties in a dramatic FA Trophy final at Wembley.
Roberto Firmino came off the bench to score a winner as Brazil beat Chile 1-0 in a friendly at Arsenal's Emirates Stadium.
A protest has taken place outside Windsor Park in opposition to Northern Ireland's first ever Sunday fixture on home soil.
Arsenal defender Calum Chambers had no qualms about dropping down to the England Under-21s squad.
England boss Roy Hodgson will field an "experimental" line-up against Italy on Tuesday after nine squad withdrawals.