I lost a lot of csr on team arena because of this and this ,disconnected for no reason.
I lost a lot of csr against a bronze and a silver that overperformed
What I usually do with smurfers is that I report them to the xbox services (You can do this by going to their gamertag and make a report due cheating). This will make the xbox’s algorythim to stop putting you with them or to make less the posibility to be placed with or vs them on a match