So i noticed while Watching challengers, that some of the players switch charecter types(sentinels,dualist,ect.) from previous tournaments, as well as switch roles on each map. the exception was Jett. Jett seems to always be played by the...

Seriously, please stop saying this. It can cause more confusion than you think, especially in stressful situations like 1v3s. Please, just say where they were specifically, instead of just "oh you saw them".