They were 7, now 8, & the rumour mill is going fullsteam ahead...
They currently have more support than the Lib Dems, not that this is much to sing about, but still they are only 2 days old.
The rest of this twitter thread points out other Tory MPs who no longer identify as Conservative - Peter Bone, Amber Rudd.
https://twitter.com/twlldun/status/1098160236781883392
EDIT: Possibly trolling, but the new group is an interesting development.