Boost ahead of derby as trio are fit to play | Arseblog News - the Arsenal news site news.arseblog.com/2015/11/boost-ahead-of-derby-as-trio-are-fit-to-play/ The threadbare nature of our squad is such that the return of any of our injured players is cause for celebration. The Telegraph report this evening that Laurent Koscielny is fit to play on Sunday. Indeed, the Frenchman could even have been used against Bayern in midweek but Arsene Wenger was reluctant to risk aggravating what was a small hip problem.