13 August, 2017
Laurent Koscielny meanwhile is ruled out with a suspension he picked up last term.
Craig Shakespeare has a few fitness issues to deal with as well.
The Arsenal boss expects all teams to strengthen further before the window shuts on 31 August, and believes it is one of the reasons that makes the upcoming campaign unpredictable. Making things worse are injuries to Danny Drinkwater and Vicente Iborra, the latter a new signing from Sevilla.
Biggest summer buy: Kelechi Iheanacho's £25m move from Manchester City was massively delayed by a spat between agents about which of them should earn most from his image rights, a contretemps that says a lot about the state of modern football.
Arsenal's other newcomer, 24-year-old Bosnian defender Sead Kolasinac, cost nothing after seeing out his contract at Schalke, where he was voted into the Bundeliga team of the season in 2016-17.
The goal also continued Lacazette's phenomenal record in the first game of top-flight seasons over recent years - one he might need to add to after Leicester forwards Shinji Okazaki and Jamie Vardy turned the game on its head.
However, adjusting their respective totals in accordance with the points system for the European Golden Shoe, where Premier League goals are worth two points compared to Ligue 1's 1.5, Lacazette has only "outscored" Giroud by 141 points to 138 over that period. Leicester are on a 21-game winless run against Arsenal in the Premier League (D7 L14).
Arsenal twice came from behind to secure a stunning 4-3 victory over Leicester City in a thrilling opening game to the new Premier League season at the Emirates tonight. He scored with 12 of only 19 shots on target in the league for his former club, which as chance-conversion goes makes him not so much risky as actually radioactive.
At the end of the day, Arsenal will be fine.
While Wenger admitted the standard between the French and English domestic leagues can not necessarily be compared, he backed his new recruit to replicate Zlatan Ibrahimovic's debut season in the Premier League following his transfer from PSG to Manchester United.
Will Lacazette enjoy an emphatic Arsenal debut on Friday?