The Arsenal manager had been linked with the England job before Sam Allardyce's appointment.
Arsenal face stern competition for a top four place this season and Collymore is questioning the Frenchman's hunger to compete.
The Leicester City star was linked with a move to Arsenal on Saturday.
Arsenal finished second behind surprise champions Leicester City last season.
Arsene Wenger is approaching 20 years in charge at Arsenal, and has provided the media with some fantastic content over the years.
Arsenal have only made three signings so far in the transfer window.
Welcome to this evening's transfer round-up. This edition features 'Real Madrid looking at Moussa Sissoko?' and 'Arsenal complete deal for Rob Holding...
The promising centre-back becomes the Gunners' third summer signing.
The former Arsenal goalkeeper has signed a short term contract with Liverpool after his Augsburg release.
Alexandre Lacaztete has reportedly told Lyon officials that he wants to leave the club, and he has been linked to Arsenal.
Arsenal were aware of Georges-Kevin Nkoudou's talent but did not push through a deal. Now he is set for Tottenham Hotspur.
The Premier League has witnessed some terrible foreign imports over the years, including Newcastle United and Arsenal flops.
Welcome to this morning's transfer round-up. This edition features 'Arsenal looking at Matthias Ginter?' and 'Arsenal looking at Jason Denayer?' plus ...
Arsenal are reportedly keen on Manchester City defender Jason Denayer.
Arsenal have been linked with the 23-year-old striker.
Arsenal and Tottenham will be battling for the title next season, but Spurs' transfer business could see them eclipse the Gunners.
Manchester City are reportedly the highest bidders for the Arsenal star, with several European sides keen.
Arsenal have struck a deal to sign Bolton's Rob Holding.
The former Tottenham Hotspur man was a thorn in Arsenal's side for a few years.
The youngster reportedly impressed Gunners scouts at the U19 European Championships.
Granit Xhaka joined Arsenal from Borussia Monchengladbach at the end of last month
Welcome to this morning's transfer round-up. This edition features 'Mauro Icardi linked to Arsenal again' and 'New Manchester United deal for Timothy ...
Arsenal and Juventus's interest in Gonzalo Higuain has reportedly cooled after Napoli's insistence that they will not sell him for less than £79 milli...
Napoli's Gonzalo Higuain has been strongly linked with a move to Arsenal.
Arsenal have only signed Granit Xhaka so far this summer.
Morata is wanted by Premier League duo Arsenal and Chelsea
The forward had been linked with a move away this summer.
Arsenal need a striker, but will they cough up the money needed to sign one?
The Gunners reportedly want a meeting with the Inter Milan star's agent next week.
The Arsenal star was one of the key men as Wales reached the semi-finals of the competition.
The Arsenal manager has been suggested as a potential appointment for the Three Lions.
The Gunners legendary striker left his coach role at the club last week.
Welcome to this morning's transfer round-up. This edition features 'Laurent Koscielny linked to Bayern Munich again' and 'Valencia's Shkodran Mustafi ...
The Gunners are reportedly interested in all three strikers, but the stats show one should be top of their list.
The Gunners have been long-term admirers of the talented defender.
Welcome to this evening's transfer round-up. This edition features 'Lazio's interest in Enner Valencia cooled?' and 'Manchester United looking at Joe ...
Laurent Koscielny is a vital member of the Arsenal side.
The Tigers are looking for a right-back after Moses Odubajo's injury.
The defender joined the Magpies from Arsenal earlier this month.
Everton, Arsenal, Tottenham Hotspur and Manchester United are in the running for Southampton midfielder Jordy Clasie, according to Betvictor.com.
Arsenal and Tottenham Hotspur have been linked with Mauro Icardi.
Arsenal need to bring in a top centre-back this summer.
Higuain has been strongly linked with a move to Arsenal all summer
The club's director of sport has claimed that Draxler is set to stay at the Volkswagen Arena, despite apparent interest from Arsenal.
Joel Campbell has been linked with a move away from Arsenal in the summer transfer window.