Is my formation legal?

[FC Sanguis]

Hey guys so ive suffered too many injuries to my MC position and have to do some alterations to my usual formation. I do have a good DMC but i want to know if i can use him in his natural position or have to play him as an MC to keep the formation legal.

ST
CAM CAM
LM RM
DMC
LB CB CB RB
GK

So is this formation OK even though it has no MC? Or should i move the DMC into MC?

Any help appreciated thanks!

[July Fourth]

Yes that formation should be ok.