Bad News for Arsenal:Saka's injury explained and time likely to be out

Bukayo Saka left the field early in the first half with a hamstring injury.

Just like a previous hamstring injury while playing for England, it looked like he did his hamstring while putting a cross in.

Hamstring injuries are one of the more frequent and recurring injuries for football injuries. He was seen clutching the lower hamstring muscle here.

It's extremely hard to predict time-length of muscle injuries based on video, but the reaction and the use of crutches points towards at least a muscle strain, rather than tightness.

This is more likely a grade 1/2 hamstring strain. Would be very unlucky if he suffered a grade 3, but that is more correlated with injuries higher up on the hamstring.

Possible Recovery Times:

Grade 1: 2-4 weeks 

Grade 2: 4-6 weeks 

Grade 3: 8-10 weeks

Scans will be necessary to confirm the severity of the injury. Hopefully, it isn't too bad.