Twitter Mailbag: On McGregor’s career crossroads, Holloway’s replacement challenger, and more

What will his next choice of opponent tell us about the UFC lightweight champion’s true goals? And who would make the best replacement to fight for the UFC featherweight title now that Frankie Edgar is injured? Plus, the UFC is getting into boxing now?

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Twitter Mailbag: On McGregor’s career crossroads, Holloway’s replacement challenger, and more – MMA Junkie