Most recent to not most recent:

Mustafi's lack of composure during the CP draw:
https://theinjuryinsight.com/dissecting-a-play-arsenal-vs-cp-10-29-18/

On Torreira's impact during the Leicester game:
https://theinjuryinsight.com/arsenal-vs-lcfc-10_22_18/

Lallana's return for Liverpool:
https://www.thisisanfield.com/2018/10/adam-lallana-returns-but-can-he-be-relied-on-expert-injury-analysis/