Waratahs captain Dave Dennis will remain in the sky blue for the next two seasons, admitting he still has a lot to achieve in Australian rugby. The 29 year-old turned down a lucrative long term deal with London club Harlequins to remain in Sydney and will play a key role in the Tahs’ transitional period over the next few seasons. “I spoke to Darryl and 'Greysie' (assistant coaches Darryl Gibson and Nathan Grey) who both went overseas as well and they said you know when it’s time to go and I’m not feeling that yet,” he said. “(I want to) maintain the standards and the values that we have created here over the last two or three years at the club. My biggest regret or disappointment would be to leave this club and to see that fall away.” The Waratahs returned to form last weekend to upset the unbeaten Hurricanes in Wellington and will be looking to claim back to back wins for just the second time this season when they host the Rebels on Saturday night. “I thought we p