Arsenal transfer news 2017 bbc

Here are some of the key Arsenal transfer news stories from 2017, as reported by BBC Sport:

January 2017

• Arsenal sign midfielder Cohen Bramall from non-league club Hednesford Town for a reported £40,000 fee. (BBC Sport)
• The Gunners also sign striker Takuma Asano from Japanese club Sanfrecce Hiroshima for a reported £5.5m fee. (BBC Sport)

Summer 2017

• Arsenal sign midfielder Sead Kolašinac from Schalke 04 for a reported £17m fee. (BBC Sport)
• The Gunners also sign striker Alexandre Lacazette from Lyon for a reported £52.7m fee. (BBC Sport)
• Arsenal sign defender Calum Chambers from Southampton for a reported £16m fee. (BBC Sport)
• The Gunners also sign midfielder Mohamed Elneny from Basel for a reported £5m fee. (BBC Sport)

Other transfer news

• Arsenal's midfielder Mesut Özil signs a new three-year contract with the club, keeping him at the Emirates Stadium until 2021. (BBC Sport)
• The Gunners' midfielder Santi Cazorla signs a new one-year contract with the club, keeping him at the Emirates Stadium until 2018. (BBC Sport)
• Arsenal's defender Per Mertesacker announces his retirement from professional football, citing a knee injury. (BBC Sport)

Note: The transfer fees mentioned above are reported figures and may not be entirely accurate.