A Football Australia investigation has cleared Matthew Millar of any wrongdoing, paving the way for the fullback to return to the game in Australia.
Millar was named in police documents in relation to the Macarthur spot-fixing allegations in May 2024.
Millar was never charged in relation to the NSW Police probe and spent the last 18 months of his career overseas.
Three of Millar's former Macarthur teammates Ulises Davila, Clayton Lewis and Kearyn Baccus were arrested and charged as part of NSW Police Strike Force Beaconview in May 2024.
The trio were accused of manipulating yellow cards during A-League games in 2023 and 2024.
Davila, a Mexican national who was previously the winner of the Johnny Warren Medal as the A-League's best player, was accused of being a conduit between the club's players and a Colombian criminal group.
Millar, who was named in police documents but was never charged, has been playing overseas since his Macarthur contract expired in June 2024.
The 29-year-old Millar most recently turned out for FC Istiklol in Tajikistan before enjoying a brief stint in the Iranian top flight with Havadar.
Millar has been without a club since leaving Iran but has been linked with a return to the A-League in recent months.
He was investigated by FA to determine if he had breached the sport's code of conduct and ethics, with the governing body ruling the former Melbourne City and Newcastle Jets fullback had not breached the code.
The result means Millar, who also spent time with the Central Coast Mariners, will be allowed to register as a player with an Australian club.
Football Australia declined to comment.
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