After the transfer window slammed shut and Arsenal finished the summer as English football's biggest spenders, many fans could be forgiven for not knowing too much about one of the late acquisitions.
Takehiro Tomiyasu signed on the dotted line from Bologna, and will look to become a permanent fixture in Mikel Arteta's back line at the Emirates.
Defence has been an area of much concern for the Spanish manager, who is now under real threat of losing his job before the campaign even gets out of the first few weeks.
Arsenal are yet to win or even score a goal in three Premier League matches.