I have noticed a bug in the sound which was a lot more prominent before the update. At some stages in the game and it can last a few minutes, you can hear a player breathing as if he is sprinting even though no game play is going on. Also, the commentators often call a missed conversion/kick even though the kick lands successfully.
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Thanks for sharing this guys!
I have noticed this too, yesterday when I had a player breathing heavy when deciding on a kick for touch.