Ulster got back to winning ways with a hard-fought 18-10 victory over Guinness Pro12 leaders Connacht to move up to fourth place and breathe life into their bid to make the play-offs.
Title holders Glasgow Warriors extended their winning run in the Guinness PRO12 to five matches with a hard-fought 27-17 victory over Ulster at Scotstoun.
Ulster bounced back from two consecutive defeats to get their Guinness Pro12 play-off ambitions back on track with a 32-0 bonus-point victory over Zebre at the Kingspan Stadium.
The Scarlets boosted their PRO12 play-off hopes by sealing a rare league double over Ulster with a 21-20 victory at the Kingspan Stadium on Sunday, and in doing so traded places with their hosts in the table.
Ulster notched up their third consecutive PRO12 win to keep them set for a top-four finish as they just about overcame Glasgow Warriors 13-10 at a damp Kingspan Stadium.
A late Paddy Jackson penalty was to prove crucial as Ulster secured a late 17-15 win over Newport Gwent Dragons to send the Irish side top of the Guinness PRO12 table.
Stuart Olding scored a try on his return to action for Ulster as they secured a bonus-point 32-13 Guinness Pro12 victory over Benetton Treviso at the Stadio Monigo.
Ulster produced the bonus point victory they needed from their final European Champions Cup pool game against Oyonnax but must now wait on other results to secure qualification to the knockout stages as one of three best runners-up.
Despite a second-half howler from England international Owen Farrell, Saracens maintained their 100 per cent record in this season's Champions Cup with a convincing 28-17 victory over Toulouse.
Owen Farrell provided a timely spark of creativity as Saracens stormed into the quarter-finals of the Champions Cup with a 33-17 victory over Ulster that guarantees home advantage in the next round.
Ulster staged one of the great European rugby comebacks as they overturned a 23-point half-time deficit in Oyonnax to keep alive their chances of progressing to the last eight in the Champions Cup with a sensational 24-23 triumph.
Munster halted their five-game losing run and completed the double over Ulster this season by beating their interprovincial rivals 9-7 on Saturday to stay in touch with the leading sides in the Guinness PRO12.
Nick Williams' 76th-minute try proved to be the deciding score as Ulster ended Connacht's unbeaten home record this season, winning a closely-fought Guinness PRO12 derby 10-3 at the Sportsground.
Ulster completed a European Champions Cup double over Toulouse to inch themselves closer to the competition’s quarter-final with a narrow 25-23 triumph at Stade Ernest Wallon.