 Complete the following phrase:  After being singled out for praise for his performances at the 2010 FIFA World Cup, and with his contract at Bremen dwindling, he transferred to Premier League club Arsenal a year later, for a fee of 8 million. At Arsenal, Mertesacker quickly established himself as the first-choice centre back for the club, becoming a mainstay despite sharing several defensive partners over his first two seasons. He eventually built up a solid relationship with fellow defender Laurent Koscielny, and the duo would star as Arsenal ended their nine-year trophy drought by winning the 2014 FA Cup. He would later captain and score for the side in their retention of the trophy a year later, before becoming the clubs outright captain in 2016. He would again star in his third victory of the trophy in 