You'll need to link your Nintendo Switch to Rocket League in order to claim Twitch Fan Rewards.
To link your account to Rocket League the steps in our article: How do I Link my Nintendo Switch Account with Rocket League?
Signing up for the Fan Rewards
Once you’ve authorized your Nintendo Switch account to use Rocket League, head over to the Fan Rewards website.
- Log in with your Twitch account.
- Select Nintendo Switch and authenticate with your Nintendo account.
- If the accounts have been successfully linked, you should see the name of the linked account accompanied by the Switch logo.
- Once completed, tune in to the select live broadcasts on twitch.tv/rocketleague to start earning rewards for your Nintendo Switch Rocket League account!