IT seems nobody wants to stay at the top of the Ulster Bank League Divison 1A table after Old Belvedere handed the initiative back to Cork Constitution on Saturday.
The Dubliners fell victim to a Young Munster bandwagon that is gathering momentum by the week as Alan Kingsley again kicked his side to a crucial victory.
The Cookies needed the win to keep up their chase for third spot as the incumbents, St Mary's, won well against Dolphin.
Kingsley kicked 15 points as Munsters battled to a 19-17 victory at Anglesea Road. The visitors twice had to fight back as tries from Alan Trenier and Stewart Maguire put Phil Werahiko's charges in command.
But they don't know when they're beaten down at Tom Clifford Park and a sublime handling move saw Brendan Guilfoyle cross in the corner to level, before Kingsley kept his cool to seal the win.
Con's 17-0 win over Shannon ended the Limerick side's recent revival and was enough to see the champions return to the summit.
Brendan Cutriss got the ball rolling with an early try at Temple Hill, while Ivan Dineen crossed for a second-half score to seal a win that makes the visitors' hopes of reaching the play-offs look remote.
Mary's kept the pressure on with a bonus-point 29-10 dismissal of Dolphin at Templeville Road.
Gavin Dunne was among the try scorers and notched up 14 points, while Mark Sexton, Rob Sweeney and speedster Darren Hudson all touched down to move last year's finalists within four points of the leaders.
Blackrock produced a stirring comeback to move off the bottom of the table above Garryowen, who now look in real danger.
Up 15-3 at the break having played with a strong wind, the Limerick side were unable to contain 'Rock out-half Daragh Fitzpatrick who produced a match-winning performance at Dooradoyle.
Declan Cusack and Ronan O'Mahony scored the hosts' tries, but Fitzpatrick steered his side into position with Rob Keogh edging his side in front as the match entered the final quarter. The No 10 finished with 16 points as his side celebrated a crucial win.
Clontarf returned to winning ways in Division 1B and profited as Buccaneers let all their hard work last week go down the drain at UCC.
The Dubliners impressed with a 39-19 victory over Dungannon at Castle Avenue with former Dolphin man Barry O'Mahony scoring two tries and Noel Reid bagging 17 points.
'Tarf got a massive favour from the Cork students who stunned Buccs at the Mardyke.
Willie Walsh crossed twice in the first half for the hosts, while John Ryan made sure of the win after the interval, handing Clontarf a six-point lead at the top.
Another team who may want to pat UCC on the back are Lansdowne, whose 39-10 away win over struggling Galwegians saw them close the gap on the Athlone side.
Kieran Lewis scored two of his side's five tries in a comfortable display, as Tom Sexton, Matt Healy and Ciaran O'Boyle also touched down.
UL Bohemians stayed in fourth after they edged out Bruff, 28-25. Martin McPhail was the hero with a late try, which Ed Torrie converted to sealed a narrow win.