Donegal's All-Ireland winning captain Michael Murphy has announced his retirement from inter-county football for the second time.

The 37-year-old made his Donegal debut in 2007 and captained the county to All-Ireland success in 2012, scoring 1-4 as they beat Mayo in the decider.

The Glenswilly forward also won six Ulster Senior Football titles, including back-to-back triumphs in 2018 and 2019, and is a four-time All Star.

He previously announced his inter-county retirement in 2022, but reversed the decision two years later and made a triumphant return under Jim McGuinness in the 2025 season.

He helped his county to retain the Anglo-Celt Cup with an extra-time victory against Armagh and reach the All-Ireland final, which they lost to Kerry.

His stellar performances earned him a fourth All-Star while he was also nominated for the Footballer of the Year award that year.

Murphy stayed on for the 2026 season and while Donegal won the Division One title, his last game was their All-Ireland round-three exit to Dublin in June.

"The Donegal County Board has today announced that former All-Ireland winning captain Michael Murphy has retired from inter-county football," the county said in a statement.

"The player informed management in recent weeks once the club championship had concluded.

"Michael has been Donegal's talisman for a generation and captained the county for most of his career having made his senior debut back in 2007. Two seasons ago, he came out of retirement, winning a sixth Ulster medal, his fourth All-Star and a national league title in the process."

Paying tribute to Murphy's decorated inter-county career, Donegal county board chairperson Mary Coughlan added: "Alas, we always knew this day would come but we are privileged to have watched the stellar career of Michael Murphy up close.

"What he has given Donegal GAA on-and-off the field is simply extraordinary while always an ambassador par excellence and role-model for so many young people in our county and beyond.

"He is one of the giants of the modern game and when players talk about leaving the jersey in a better place on retiring, Michael has certainly done that. He has carried himself with tremendous dignity and integrity at all times.

"His innate modesty is a foil for a fierce competitor who never gave less than 100% while inspiring others around him to do likewise."

Murphy's retirement is a further blow for boss McGuinness, who decided to remain at the helm for a fourth year in his second stint.

He has also lost talented defender Finnbarr Roarty after the 2025 Young Footballer of the Year signed a two-year rookie contract with Aussie Rules outfit Collingwood.

Now widely regarded as Donegal's greatest player, Murphy broke on to the senior county panel as an all-action teenager in 2007.

The esteem in which he was held, even in those early years, within the squad was reflected by McGuinness handing him the captaincy at the age of 21.

Led by the Murphy-McGuinness twin axis, Donegal were hauled out of the doldrums in 2011 when they claimed the Division Two title, with Murphy hitting 1-3 in the final win over Laois.

Later that year, he led his county to their first Ulster title in 19 years and spearheaded a successful defence 12 months later.

But his greatest moment arrived three minutes into the 2012 All-Ireland final against Mayo.

Rising high to claim Karl Lacey's long kickpass, he shook off Kevin Keane and rifled a venomous right-footed shot high into the net for one of the great championship goals - one that encapsulated Murphy's power and precision.

Aged 23, Murphy became a county legend that day, becoming just the second man after Anthony Molloy to captain Donegal to the ultimate prize. He scored 1-3 but the goal remains etched in the minds of anyone who watched it.

Murphy soldiered on with Donegal for another 10 years - collecting another three Ulster titles - before announcing his retirement in November 2022, later telling The GAA Social that fear of not having the energy to reach his usual lofty standards was a factor in his decision.

It was news that rocked Donegal, but at 33, it always felt as though Murphy could return. McGuinness' second coming in 2023 only fuelled the rumour mill.

While Murphy extended his stint as a leading analyst and co-commentator for the BBC in 2024, Donegal fans' dreams came true when he reversed his retirement before the 2025 season.

Lean, sharp and now armed with a two-point boot - thanks to the new rules he helped usher in as part of Jim Gavin's Football Review Committee - Murphy delivered another Ulster title for McGuinness.

Murphy was named man of the match on Ulster final day, but heartache followed in the All-Ireland final. Murphy scored eight points but was upstaged by another talismanic forward in David Clifford, who kicked 0-9 to drive Kerry over the line.

While a second Sam Maguire ultimately eluded Murphy, he remained clutch under pressure until the end, nailing a two-pointer on his 200th appearance to force extra-time against Dublin, although his part in the ensuing brawl earned him a black card.

It proved a bitter end to Murphy's storied Tir Chonaill career, but Donegal fans will remember him as the complete forward and fearless leader responsible for some of the county's greatest days.