AJ didn't quit, he was waiting for the ref to replace his gum-shield. Fact.

[Ron Swanson]

As many fighters have said “when you start looking to your corner you’re asking out, all fighters know this” add that the ref repeatedly asked him to step forward and he didn’t means good stoppage. How long had it been, 20 seconds? I’ll go count and edit this

Edit-24 seconds before he waved it off, that’s a long time