By KEVIN FALLON

JACK Conan said Leinster have huge room for improvement despite seeing off arch rivals Munster in a cracking contest at the Aviva Stadium.
“We were nowhere near our best and Munster put it right up to us and we are going to have to be far better for the tests we have coming up,” said Conan.
Munster set the tone for a big battle when they raced into a 10-0 lead after 14 with good work down the right by Simon Zebo —in his first match for Munster since March —ending with scrumhalf Craig Casey finishing minutes of surges, got a brea
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