Antony gave a glimpse against Nottingham Forest as to why Real Betis sporting director Manu Fajardo believes the Manchester United flop might be "the most important signing" in the club's history.
The 25-year-old has been reborn in Andalusia after an underwhelming stint at Old Trafford, where he failed to get anywhere near justifying the lofty fee paid to Ajax three years ago.
Antony arrived for an eye-popping €95 million ($111.6m), plus a potential €5m in add-ons, but failed to consistently impress and fell down the pecking order at United.
The Brazil international sparkled after joining Betis on loan in January and made the move permanent after protracted talks brought a deadline-day switch for up to €25m.
United included a clause that gives them 50% of any future deal for A