One of the caster (I believe it was Jorosar) also said Enigma had "just switched to Ana" after he used Nanoboost and was playing her from the beginning of the round...

NRGs versatility is so insane

Enigmas Tracer has always been top tier

Because if they hadn't picked Kings Row, they would have been forced on it by Rogue after their map pick.

Fatigue is a factor after a day like that and since you are going to play the map anyway, you might as well try and get the win you need first and then force Rogue to pick something besides payload