Arsenal could have solved their defensive midfield problems by signing Esteban Cambiasso over the summer.
Although the 34-year-old is in the twilight of his career now, he would have offered a short-term fix for a problem which promises to plague the Gunners' season.
Arsenal are clearly lacking grit and steel in their midfield and Cambiasso would have offered a cheap option to solve this deficiency over the summer.
At the moment Mikel Arteta and Mathieu Flamini compete for the defensive midfield spot in Arsene Wenger's side and both are beyond 30, so Cambiasso's age should not have been too pressing a concern.
Indeed, the Argentine legend has spent most of his career in Italy, a league famed for its slow, tactical style, meaning that he is unlikely to be burned-out and he could have plugged a big void in the Arsenal squad.
On a free-transfer there was little risk involved with bringing in someone with his experience and it seems like an oversight that Wenger allowed Leicester City to sign the midfielder unopposed.
Wenger was hunting for a defensive midfielder in the summer, with deals for Sami Khedira and William Carvalho both chased, and Cambiasso could have been an option whilst waiting for either of his two first-choices to become available.
There is a feeling that Khedira or Carvalho could be acquired in January, but Arsenal may lose too many points between now and then to make a title challenge.
Their problems were exposed at the top level last week, once again, when Borussia Dortmund highlighted their lack of an enforcer in midfielder.
The Germans ran out 2-0 winners in that Champions League match, whilst Manchester City also scored twice against them in the Premier League.
The high amount of chances they concede against the elite sides should have been something Wenger rectified over the summer and he had a presentable opportunity in-front of him when the former Inter Milan midfielder became available, but his failure to seize the chance to sign Cambiasso may cost his side dear, whilst leaving Leicester to reap the benefits.