Warringah, Sydney Uni and Norths all claimed tight victories on the opening weekend of the playoffs to keep their seasons alive, while Manly lived to fight another day thanks to other results. Norths will host Warringah in a grand final rematch next weekend, while Sydney Uni play Manly at Camperdown. Warringah 34-28 Manly Warringah kept their premiership defence alive with a hard fought 34-28 win over an understrength Manly side in front of another huge crowd on the Northern Beaches. It was the big men that did the damage early at Rat Park. Rory O’Connor scored Warringah’s first before Manly prop Charles Abel responded with an incredible piece of athleticism that should see him banished from the front rowers club. Abel leaped forward from a line out on Warringah’s five metre line and intercepted Josh Holmes pass to score. Warringah winger Esera Chee Kam finished off tries on either side of the half time break to give the Rats a 17-7 lead, but Manly refused to go