Well, after being one win away from champ in doubles, I took an epic 12 game losing streak. So I am going to accept defeat. But I still want that champ season rewards, can I still get them if I get to champ in rumble or like any of the extra modes?
You will still unlock Champion Season Reward Level wins in any of the extra modes. As long as you unlock the full Season Reward Levell, you will receive the Champion rewards.