Cork Con are fourth in the Ulster Bank League Division 1A standings entering the two-week break despite their loss away to Ballynahinch last time out.
Con would have moved third ahead of reigning champions Clontarf had they won at Ballymacarn Park but instead were subjected to a 34-13 defeat.
Young Munster suffered their third loss on the bounce - this time Terenure College won 22-21 at Tom Clifford Park.
That was also Munsters' second successive one-point defeat and they are seventh in the table four points UCD who are sixth.
Dolphin seem to have turned things around in the new year and after 10 games without a win they have now got two.
They beat Young Munster on January 3 and followed that up with a 34-15 win over UCD in Round 12 to move within two points of St Mary's.
In 1B Garryowen have also had a promising start to 2015 and are just a point behind pace-setters Galwegians. They beat Corinthians 39-10 on Saturday and will be looking to make it four wins from four when they host Belfast Harlequins after the break.
Shannon lost 25-7 away to Buccaneers last time and are eighth with a relegation battle on their hands if they lose to Corinthians next time. UL Bohemians are one place worse-off after a disappointing 18-15 defeat at home to Galwegians.
The rearranged Munster Senior Cup final between Cork Constitution and Garryowen will take place on Saturday, January 24 (4.00).
Irish Independent Park will host the clash as two of the province's oldest clubs face off in a repeat of last season's final.
It could be history in the making for the Temple Hill outfit as they seek their second three-in-a-row, last achieved by the club almost 100 years ago.
Garryowen are the competition's most successful side and will be looking to add to their hugely impressive haul of 38 Munster Senior Challenge Cup titles.
Cork Con progressed to the final thanks to home wins over Sunday's Well, Bruff and Young Munster.
Garryowen navigated their way past Tipperary sides Nenagh Ormond and Cashel before their convincing semi-final win over UL Bohemian.
Munster Senior Challenge Cup final: Cork Constitution v Garryowen, Irish Independent Park, Saturday, January 24, 4.0