It happens if you play a game in a different lobby. Once you play a game in the lobby which you have the stats of 0 in, your stats will show up.

is what i WOULD say if i felt like being funny and rude

however, i felt it be a shame to let the humour go to waste

i mean with those stats shouldn't you be grateful

https://epicmafia.com/user/551083/statistics

don't worry it's all still there

I think it's just a glitch or smthing don't stress about it