Very sorry to say that Byrner has torn his ACL and is likely to be out for the rest of the season. Terrible shame as we've just started to build a solid midfield and he was very much a key part of that. Hope he has a speedy recovery and we see him in a Gills shirt again.
https://www.gillinghamfootballclub.com/news/2019/december/byrne-injury/
https://www.gillinghamfootballclub.com/news/2019/december/byrne-injury/