Why Bruno Guimaraes is missing from Arsenal squad against Coventry today

However, Guimaraes came off at half-time in Cardiff and was pictured with an ice pack strapped to his right thigh."Let's see how he is," the Arsenal manager said."He's evolving really well, but let's see for tomorrow."However, Guimaraes has been left out of the matchday squad to face Coventry, making it a frustrating start to his Arsenal career.Ruled out: Bruno GuimaraesGettyIn his absence, Declan Rice starts for the first time this summer, alongside Myles Lewis-Skelly.Arteta has also opted to start Bukayo Saka in a strong lineup at the Emirates Stadium.After an extended break following the World Cup, Saka played no part in pre-season and then only came off the bench for 30 minutes in the win over City.Despite those limited minutes, Arteta has brought Saka straight into the side to kick of