Tony Cascarino insists Arsenal will not miss Laurent Koscielny if he leaves this summer. The Gunners captain has refused to travel with Unai Emery’s squad for the club’s pre-season tour of America. punished The biggest market value losers in 2019, including Bale and ex-Liverpool star LATEST FOOTBALL NEWS Koscielny, who joined Arsenal in a £9.7million deal from Lorient in 2010, is believed to be pushing for a return to France.In a brief statement, Arsenal said they were ‘very disappointed’ by the 33-year-old’s actions. And former Chelsea striker Cascarino told talkSPORT’s Weekend Sports Breakfast: “I think Koscielny has been one of their problems. “If I’m brutally honest, the amount of times I’ve seen headed goals in his position where he has conceded with Koscielny not doing his job. “I know he’s had a bad [Achilles] injury, I’m aware of that, but I think he’s also been one of their problems that has got away with it. 2 Unai Emery might need to sign a Laurent Koscielny replacement TROPHY Man United transfer news live: Haaland ‘wants a change’, two players off in January 2 Laurent Koscielny’s Arsenal days appear to be numbered Solskjaer gives Pogba fitness update and calls him world’s best all-round midfielder targets latest Former Crystal Palace and West Brom manager Pardew takes over at Dutch strugglers New job Arsenal transfer news LIVE: Ndidi bid, targets named, Ozil is ‘skiving little git’ LATEST Getty boost REVEALED Where every Premier League club needs to strengthen in January Getty JIBE Liverpool update ‘Champions Wall’ after ending 2019 as European and world champions Liverpool news live: Klopp reveals when Minamino will play and issues injury update Lampard appears to aim dig at Mourinho for handling of Salah and De Bruyne at Chelsea Tottenham issue immediate ban to supporter who threw cup at Kepa deals “I don’t think [he’ll] be a miss. It’s a time you move on. “Arsenal have gone through a period, he’s been there for all the down times in the past few years, they are the people you need to get out of the door as well if you’re a side that’s been going backwards and they have.”Arsenal’s pre-season campaign gets underway when they take on Colorado on Tuesday.