The rules of the mirror match clearly states that “Trophies are neither gained or lost in event matches” yet I just lost around 50 in a mirror match. In previous events this did not happen. If this is intentional I suggest you to update the rules.
Yeah I guess that's their answer to our complains about the global fragment bankrupt... but a more clever way would have been to restaure the +100 fragments possible gift after a won match imo...