Dublin became the first team to qualify for the Bord na Móna O'Byrne Cup semi-finals after a hard earned victory over Offaly, with wins also for Maynooth University, Kildare, UCD, Meath, Westmeath, Wexford and DIT tonight.
Offaly led for large periods at Parnell Park, but Dublin made full use of a strong wind assistance on the turnaround to claim a 0-17 to 0-13 home win at Parnell Park.
Dean Rock scored nine points, including four second half scores, as Jim Gavin's side ended Offaly's hopes of a rare win over the capital side.
The Midlanders had made an excellent start under new manager Pat Flanagan, ending a 12 month losing streak in all competitions with victory over last time out, but Dublin's guile saw them hold out for a four-point win.
Such was Offaly's display that the Midlanders only trailed this game once in the opening 55 minutes and it wasn't until Philip Ryan put the hosts ahead in the 58th minute that Dublin kicked on for victory.
Aided by a strong wind assistance Offaly led by 0-10 to 0-7 at half-time, with Eoin Carroll, Nigel Dunne, Declan Hogan and Bernard Allen among their first half scores.
Rock kept the score board ticking over for Dublin, but in the second half Offaly only managed three points, including one from Willie Mulhall late on as scores from Ryan, Tomas Brady and Rock saw Dublin power to victory.
Ross Munnelly scored 1-5 against his old University, but it wasn't enough as Maynooth University claimed their first ever win in the competition, with a 0-18 to 1-7 win over Laois in Portarlington.
Leading by 0-11 to 0-4 at half-time the students were impressive, with Meath Under 21 Barry Dardis among those leading the charge.
The dismissal of Darren Strong following a second yellow card after 23 minutes cost Laois, although the hosts mounted a challenge late on. Munnelly delivered the only goal of the contest with less than five minutes remaining, but it was too late as Maynooth held out for a historic win.
Late goals were key in both of the Group B fixtures, as Kildare and UCD emerged with hard earned wins.
At Geraldine Park, Athy it looked like a rare victory might be on the cards for Carlow, however a late Padraig Fogarty goal ensured a 2-7 to 1-9 win for Kildare.
Kildare started brightly and led by 1-3 to 0-3 early on following Fogarty's first goal.
Carlow edged back thanks to Paul Broderick and Darragh Foley, however a late Paudie O'Neill point helped Kildare to a 1-5 to 0-4 interval lead. Kildare moved five points clear on the restart, but Carlow battled hard.
Foley kickstarted a bright patch for the visitors at the beginning of the fourth quarter, in a spell which saw Carlow scored 1-3 without reply - including a David Bambrick goal.
Carlow led by 1-9 to 1-7 in the 69th minute following a Daniel St Ledger point, but Fogarty's goal dashed Carlow's hopes of victory.
In Haggardstown, Wexford's Ed O'Byrne netted late on to deliver a 2-8 to 0-12 win for UCD over Louth.
Little separated the sides during this game and the sides were tied at 0-5 apiece at half-time, with Ronan Holdcroft scoring three of Louth's first half points.
A Tommy Moolick goal pushed UCD ahead on the restart, but Louth never gave up. A Ryan Burns point levelled the tie at 0-9 to 1-6 with 19 minutes remaining.
Although the hosts fell behind, a Burns pointed free edged them ahead as injury-time approached. However, O'Byrne netted in the 71st minute to deliver a second win in a row for the students.
Meath kicked on in the second half as they recorded a 1-17 to 1-9 home win over Longford in Group C at Páirc Tailteann.
Eight players were on target for Mick O'Dowd's charges, with Walterstown's Ruairí O'Dowd leading the charge with four points.
The sides were level at 1-5 apiece at half-time, with Sean Tobin netting for Meath, while Francis McGee bagged Longford's three-pointer.
Wind assisted Meath kicked on after the restart and finished the game with 14 men after a second yellow card for Andrew Tormey in the 70th minute.
Goals from Ger Egan (1-4), Lorcan Smyth and James Dolan (1-0 each) saw Westmeath claim their first victory in 15 games with a 3-11 to 2-13 win over DCU in Kinnegad. Dolan's first minute goal got the hosts off to a perfect start, with Conor McNally and Davey Byrne netting for DCU.
Athlone's Ray Connellan was also impressive for the hosts with seven points overall.
Dolan and Egan's goals along with the contribution of Connellan helped Westmeath to a 2-5 to 1-6 interval lead, with McNally's goal coming late in the half for the students.
DIT registered their second win, with a 3-10 to 1-12 victory over Wicklow at Bray Emmets.
The hosts led by 0-11 to 2-2 at half-time, with Cavan man Conor Madden netting two first half penalties.
Paul Brogan bagged DIT's third goal, with John McGrath scoring the Wicklow goal.
Wexford needed to finish strongly to deliver a 1-13 to 0-11 win over IT Carlow in Enniscorthy.
Dermot Flood registered the games only goal to hand his side a 1-4 to 0-0 lead after 18 minutes, but scores from Galway's Barry McHugh and Tipperary duo Liam Boland and Tommy Nolan ensured a 1-5 to 0-4 interval score-line.
Kevin O'Grady, Flood and Leaving Cert Student Niall Hughes were among those who worked hard for Wexford to stop a resurgent Carlow on the restart.
Anthony Forde, Brendan Murphy and McHugh were among IT Carlow's second half scores, but Wexford finished strongly with Declan Murphy taking some nice scores, and Shane Roche pulling off a fine save late on.