Gylfi Sigurdsson: Everton midfielder out for "six to eight" weeks - BBC Sport
Fantasy Football: Analysing Gylfi Sigurdsson's move to Everton | Goal.com Ghana
Gylfi Sigurdsson 'to earn £1.7m-a-year after being offered two-year deal by Galatasaray after Everton transfer exit' | The Sun
Where are they now: The unusual careers of former footballers
Everton transfer news: Gylfi Sigurdsson, Fabian Delph and Cenk Tosun released | The Independent
Charges Dropped Against Footballer Gylfi Þór Sigurðsson
Gylfi Sigurdsson ready to make Everton debut | Irish Independent
D.C. United want Gylfi Sigurdsson - James transfer to have an impact? | Transfermarkt
Gylfi Sigurdsson
Gylfi Sigurdsson breaks silence and officially returns to football after Everton exit - Daily Star
Former Everton and Tottenham midfielder Gylfi Sigurdsson scores his first Iceland goal in three years just two months after making his first competitive appearance since 2021 | Daily Mail Online
Gylfi Sigurdsson - Merry Christmas 🎄 | Facebook
Gylfi Sigurdsson - Player profile 2024 | Transfermarkt
Gylfi Sigurdsson urges Premier League clubs 'to give Iceland players a go' | Iceland | The Guardian