Throw-in
Parnell Park, Sunday 3 June, 3pm.
Online
Live blog on RTÉ.ie and the RTÉ News Now App from 2pm.
Radio
Updates on Sunday Sport on RTÉ Radio 1.
TV
Highlights of the game, along with all the weekend's action, on The Sunday Game, RTÉ 2, from 9.30pm.
Past 5 Championship meetings
2011: Dublin 2-21 Offaly 1-20 (Leinster quarter-final)
2007: Offaly 2-25 Dublin 2-13 (All-Ireland qualifier)
2006: Offaly 1-17 Dublin 0-17 (All-Ireland qualifier)
2005: Offaly 2-15 Dublin 2-14 (All-Ireland qualifier)
2004: Offaly 2-15 Dublin 1-13 (All-Ireland qualifier)
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Dublin must play Galway next week but this game is Offaly's last and therefore it becomes a straight relegation play-off, with the head-to-head result deciding the placing in the event of two teams finishing level in the table.
There was a feeling around Offaly last week that perhaps a surprise was in the offing against Wexford but that facade lasted all of six minutes in O'Connor Park. The hosts were simply dreadful.
The optimism stemmed from two decent performances against Galway and Kilkenny and the fact that Offaly were at home.
But they were never at the races against Davy Fitzgerald's side. If they were targeting the Dublin game, by not expending any energy against Wexford, then it backfired.
They certainly wasted no energy in the game but two straight red cards, for Oisin Kelly, man of the match in the league win over Dublin in January, and Ronan Hughes means their hand is severely weakened for Sunday's game, although Hughes had his appeal upheld.
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More probable is that the team was just exhausted as they faced into their third championship game in three weeks.
Kevin Martin had flagged the issue in advance of the competition and reiterated his stance post-game.
"Even in the warm-up we looked a bit flat," the manager told the Sunday Game. "We'll get back up on the horse again for next Sunday."
Dublin, who came within a goal of beating both Wexford and Kilkenny, will be favourites and rightly so.
They suffered a 13-point loss to Offaly in the league but that was in Pat Gilroy's first game in charge and they were missing a number of front-line players.
The Dubs also had last weekend off so have had two weeks to prepare for what has been well heralded as a loser-loses-all battle.
Player Watch
Eoghan Cahill (Offaly)
It's telling that Offaly's goalkeeper has conceded 12 goals in the three games so far but has been their standout performer.
The Birr man only made his Championship debut against Galway three weeks ago but has made a series of first-class stops, including two penalty saves - not an easy feat these days, according to RTÉ hurling analyst Christy O'Connor.
In a game that is expected to be closer that what has gone before, Cahill's performance could be telling.
Paul Ryan (Dublin)
The corner-forward has been the Dubs scorer-in-chief in their two games so far, chipping in with 1-06 against Kilkenny and 1-07 against Wexford.
While not quite enough on either occasion to get the side over the line, another similar return might just be enough.
Dublin: Alan Nolan; Paddy Smyth, Cian O'Callaghan, Eoghan O'Donnell; Shane Barrett, Sean Moran, Chris Crummey; Rian McBride, Jake Malone; Fiontan MacGib, Conal Keaney, Danny Sutcliffe; Fergal Whitely, Liam Rushe, Paul Ryan.
Offaly: Eoghan Cahill; Tom Spain, Ben Conneely, David O’Toole Greene; Sean Gardiner, Pat Camon, David King; Dan Currams, Damien Egan; Tommy Geraghty, Colin Egan, Shane Kinsella; Sean Ryan, Conor Mahon, Joe Bergin.
Weather
It's expected to reach around 20C, with periods of cloud and sunshine and no rain forecast.
Follow all the football and hurling games this weekend via our live blogs on RTÉ.ie and the News Now App, watch exclusive television coverage of Waterford v Tipperary on RTÉ2 or listen to exclusive national radio commentary of all games on RTÉ Radio 1. Highlights on The Sunday Game at 9.30pm on RTÉ2.