Round 11 was a weekend of massive upsets and historic milestones. While the South African Shield was decided in a dramatic double-header on the Highveld, the Northern Hemisphere saw the league leaders fall in rainy conditions in Cardiff and Galway.

Cardiff Rugby 8 – 7 Leinster

Friday, Feb 27 | Cardiff Arms Park, Cardiff In the shock of the round, Cardiff pulled off a defensive masterclass to hand the defending champions a rare defeat. In a rain-soaked Arm’s Park, points were at a premium. Leinster’s only score came from a Luke McGrath try, but Cardiff’s grit—led by a standout performance from the back row—kept them in striking distance. A late penalty from Tinus de Beer and a resilient final stand on their own try line secured a historic one-point win for the Blue and Blacks.

Edinburgh 24 – 19 Scarlets

Friday, Feb 27 | Hive Stadium, Edinburgh Edinburgh kept their playoff hopes alive with a hard-fought win over a resilient Scarlets side. Despite a brace of tries from the Scarlets' back three, Edinburgh’s power game eventually told. Magnus Bradbury was central to their success, crashing over for a crucial score in the second half. The Scarlets pushed for a losing bonus point late in the game, but Sean Everitt’s men held firm to stay in the hunt for a top-eight finish.

Lions 24 – 10 Stormers

Saturday, Feb 28 | Ellis Park Stadium, Johannesburg This was a historic afternoon for the Lions, who officially clinched the URC South African Shield for the first time. Siba Mahashe was the hero of the day, leading a defensive effort that saw the Lions make a staggering 137 tackles. Tries from Mahashe, Henco van Wyk, and Erich Cronje built a 14–0 halftime lead. Despite being reduced to 13 men late in the game due to a red card for Conraad van Vuuren, the Lions' "watertight" defense shut out the Stormers to secure a famous victory.

Bulls 41 – 12 Sharks

Saturday, Feb 28 | Loftus Versfeld, Pretoria The Bulls delivered a "brutal and brilliant" statement win at altitude, running in seven tries against a struggling Sharks outfit. Canan Moodie was electric at outside center, while scrumhalf Embrose Papier bagged a brace. Handré Pollard pulled the strings with clinical precision, ensuring the Bulls stayed in the top four race. The Sharks managed two second-half tries through Edwill van der Merwe and Hanro Jacobs, but they were never truly in the contest as the Bulls’ pack dominated from start to finish.

Connacht 15 – 10 Glasgow Warriors

Saturday, Feb 28 | Dexcom Stadium, Galway In a massive upset at the newly redeveloped Dexcom Stadium, Connacht toppled the table-topping Glasgow Warriors. The match was a tactical slog until the final quarter. Glasgow took a 10–3 lead through a Kyle Rowe double, but the Irish province roared back in the dying minutes. Paul Boyle leveled the scores before Sean Jansen powered over from a rolling maul in the 81st minute to send the Galway crowd into a frenzy.

Munster 21 – 7 Zebre Parma

Saturday, Feb 28 | Thomond Park, Limerick Munster avoided a record fourth-consecutive home loss, but they were made to work for it by a stubborn Zebre side. The match was tied 7–7 at halftime, with Shane Daly scoring a try on his 100th league appearance. It took until the 64th minute for Munster to break the deadlock through Alex Kendellen, with Lee Barron adding a third late on. While Munster secured the four points, the lack of a bonus point against the bottom-placed side highlighted their current struggles for form.

Dragons RFC 15 – 15 Benetton

Saturday, Feb 28 | Rodney Parade, Newport Drama unfolded at Rodney Parade as the Dragons and Benetton played out a tense draw. Onisi Ratave was a constant threat for the Italians, scoring twice to put Benetton ahead. However, the Dragons refused to go away. In the 80th minute, Fine Inisi crossed the whitewash to bring the scores level, but captain Angus O’Brien saw his match-winning conversion attempt drift agonizingly wide, leaving both sides with two points.

Ospreys 21 – 10 Ulster

Saturday, Feb 28 | Electric Brewery Field, Bridgend The Ospreys continued their resurgence with a clinical win over Ulster in Bridgend. The match was overshadowed by a controversial TMO decision that denied Ulster a late try and resulted in a yellow card for Marcus Rea. Ospreys took advantage of the extra man, with Daniel Kasende sealing the result in the 76th minute. The victory moves the Ospreys into 9th place, just one point behind the Sharks in the race for the top eight.