Micheál Ó Muircheartaigh's star-studded training sessions: 'Fellas travelled up from Kerry, Mayo, Monaghan, Galway'

Attendees; back row from left, Brian Mullins of Dublin, Noel O’Mahony of Kerry, Barry Coffey of Cork, Mikey Connor of Kerry, Tom Byrne of Mayo, Tomás Ó Flatharta of Kerry, Jack O’Shea of Kerry, Mícheál Ó Muircheartaigh of Kerry, Neil Sweeney, guest, Jackie Walsh of Kerry, and Pat McCarthy of Kerry and front row; from left, Dermot Hanafin of Kerry, Willie Maher of Kerry, Ciarán Murray of Monaghan, Kevin McStay of Mayo, Timmy Brosnan of Kerry and Brendan Lynskey of Galway during the reunion of club and intercounty GAA players trained by Mícheál Ó Muircheartaigh as part of a training group of Dublin based players in the 1970, '80's and '90's at UCD in Belfield, Dublin. Picture: Piaras Ó Mídheach/Sportsfile
Quizmasters take note. What have Kerry duo Mick Spillane and Jack O'Shea, Mayo pair Kevin McStay and Dermot Flanagan, Monaghan's Ciaran Murray and Galway hurling great Brendan Lynskey all got in common?
They were all All-Stars in 1985 though that's only half the answer to this particular question which Tomás Ó Flatharta has the full answer to.