All MyNBA 2K17 card packs are 50% off today. This Black Friday special is a one-day promotion, so interested gamers will have to act fast. There is a limit of three packs per person as well.
https://twitter.com/NBA2K/status/802180084878622724
MyNBA 2K17 is the companion app for NBA 2K17. More information about MyNBA 2K17 can be found here. The app can be downloaded for iOS and Android.
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