NEW Shamrock Rovers manager Michael O'Neill has completed his squad for the new season with the arrival of striker Gary Twigg from his former club Brechin City. Ireland under-21 defender Ian Bermingham has signed from UCD and midfielder Greg Cameron has joined the Hoops on loan from Dundee United . . . CORK City boss Paul Doolin will renew acquaintances with midfielder Stephen O'Donnell after signing the Bohs schemer on a two-year deal. Veteran midfielder Greg O'Halloran has returned to Cork on a one-year contract . . . STOCKPORT striker Dave Edwards and Kidderminster midfielder Michael McGrath have joined Galway United, who have also signed Cork City defender Sean Kelly on loan . . . BOLTON have dismissed weekend reports that they want to replace manager Gary Megson with Irishman Owen Coyle, currently in charge at Burnley . . . IRELAND defender Joey O'Brien hopes to play again this season after a second knee operation in America under specialist Richard Steadman . . . HOME Farm have announced a new link with English Premier League side Portsmouth to develop their youth system . . . FORMER Ireland defender Stephen Carr has come out of retirement to sign a short-term contract with Birmingham City . . . FORMER Cork City star George O'Callaghan has signed for Dundalk after his release from Tranmere Rovers . . . THE FAI have confirmed that Ireland will play a friendly match at Thomond Park in Limerick next August . . . LATVIAN striker Gints Freimanis has moved to St Patrick's Athletic . . . GLENTORAN winger David Scullion has moved to Derry City.