We have this on Counter-Strike Liquipedia: http://wiki.teamliquid.net/counterstrike/User:Vappy/mouse_settings_list
I could probably spend sometime to generate a similar table for Ovewatch if you will.

There will probably be tournaments like ETF2L or even ESEA (not necessarily ESEA itself), but it is probably too soon to say it for sure.

Welcome! I remember you from cc// :)

Woah! This videos looks really cool. Great highlights.

Ricci#1767 :)