It appears Conor McGregor is inching closer to his UFC return ... 'cause the MMA superstar shared a bunch of sparring snapshots to his Instagram on Monday -- and if they're in fact recent, fans might not have to wait much longer to see him in action.
Notorious -- who backed out of his UFC 303 matchup with Michael Chandler last month due to a toe injury -- added two separate workout posts to his profile over the past 24 hours ... showing him having his way against his partner.
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Conor appears to move around the canvas with no issue as he lands kicks and punches .