Sky Sports pundit Neil McCann believes Rangers can pull off a shock victory over city rivals Celtic in Sundays Scottish Cup semi-final at Hampden. Fresh from securing the Scottish Championship title, Mark Warburtons side beat League One Peterhead in the final of the Petrofac Training Cup at the national stadium on Sunday.McCann, who won three Scottish titles, four Scottish Cups and two League Cups at Ibrox between 1998 and 2003, says the improvement under Warburton could be key in the live Sky Sports cup clash. His former club go into the game on the high of a cup triumph, but they shipped nine goals in league games against Falkirk, Queen of the South and Raith Rovers.Speaking to Sky Sports Now, however, McCann insisted that Rangers are capable of matching the Hoops on their day. Leigh Griffiths the man Rangers have to look out for at Hampden Im just so glad Rangers are back in the Premiership again and we are going to get to enjoy that occasion many times next season, he said. This weekend is a taster of what we can expect next year.Asked how much closer Rangers are to Celtic, the former Hearts and Scotland winger, said: I think they are a lot closer in terms of where they were a couple of seasons ago [in Scottish League One]. Celtic and Rangers last met in the League Cup semi-final last season I said at the weekend, after watching Celtic beat Motherwell, that I believe Rangers have improved an awful lot under Mark Warburton and Im not sure Celtic have. That is the worry that Celtic fans will have going into this match. By the same token, I still think they (Rangers) are vulnerable at the back and that is where Celtic hold the ace in Leigh Griffiths. Rangers have improved an awful lot under Mark Warburton and Im not sure Celtic have and that is the worry Celtic fans will have. Neil McCann on Sundays Scottish Cup semi-final This game is a lot closer than what it was back then and I think it could go all the way... I really do. I dont think a team will come out and blow the other away.If Rangers can replicate the performance they put in against Dundee in the last round, they stand a very good opportunity of winning the match.If Celtic play to their very best, then they probably would maybe just edge it, but Celtic have not been playing at their best and thats what puts the tie in such a perfect balance.Watch the Glasgow derby on Sky Sports 2 HD from 11am this Sunday.By purchasing a Sky Sports Day Pass for £6.99 or Sky Sports Week Pass for £10.99, you can enjoy access to all seven Sky Sports channels and watch on a TV with a NOW TV Box or on a range of devices. Also See: Warburton: I can handle pressure Rangers 4-0 Peterhead New pitch for Hampden Griffiths focus on Rangers Sony Michel Youth Jersey .S. 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Nords Wharf has an official population of fewer than 1000 people; one of them is Australias newest world champion.The sleepy town, situated in the Lake Macquarie region of New South Wales, is possibly one of the last place you would expect to find an extreme sports superstar, but that is a title Rhiannan Iffland has earned after victory in Dubai sealed her maiden Red Bull Cliff Diving world series title.This Red Bull Cliff Diving World Series was a complete dream come true for me, especially coming this year in my debut season as the rookie, Iffland told ESPN.Its been a goal of mine for a few years to be up there on the circuit and just be involved and competing up there next to those athletes was a dream come true at the start of the year. I was super, super excited to be there participating.After the first competition I guess everything just played out very, very well for me and here I am now still in my little bubble thinking that really did just happen. I have to pinch my arm a little bit.Iffland is the first Australian woman to win the Red Bull Cliff Diving world series in its three-year existence, but her record is the most dominant ever from a female competitor.As a rookie, the 24-year-old won five of the seven events on the calendar to finish with 1290 points overall -- 260 clear of her nearest rival and almost double the total of Americas Cesilie Carlton (780) in third place. But Iffland isnt one for records or statistics; she prefers to look forward to her title defence in 2017, fully aware she wont be the unknown commodity that she was this year.I will have a little bit more pressure on my shoulders next year I guess but its not really about winning for me, Iffland said.Its about the passion and the enjoyment of the sport and thats why I believe I did so well this year.However, Iffland isnt immune to the same fears, nerves or apprehensions that anyone else would experience in her choice of occupation.Its definitely frightening being up there and every single time I go up there I am a little bit scared, Iffland told ESPN.That little devil inside is saying jump, jump and then on the other sshoulder theres the angel saying no, dont jump but I think with time and as you do more dives it gets a bit easier to control the thoughts and emotions while standing up there as well as the adrenaline.ddddddddddddI use the adrenaline to my advantage. Just thinking positive plays a huge part in being able to overcome any fear.I often find myself standing up on the platform and taking a deep breath, opening my eyes and having a look around at where I am, trying to block everything out, forgetting what I am about to do, taking in the scenery and really taking in the moment.Standing up there, its an absolutely amazing feeling; hitting the water and the feeling of accomplishment that I have overcome my fears and achieved something just makes me want to get back up there and do it again.Diving has long been a part of Ifflands life. At just five years old she would join her brother and sister in diving off small rocks near her seaside home.As she has grown taller, so have the height of the platforms; shes long graduated from 2-3 metres and now leaps off ledges almost 30 metres high in the world series.My mum was a little bit nervous for me up there the first time she saw me diving this year, Iffland said.[Her parents] knew what to expect to an extent but I guess thats helped them.They were nervous but theyve been very supportive and they knew what I wanted to achieve and where I wanted to be so they were very good about that. I think they keep their nerves on the inside and not show them too much.I think its close to 70km/h and we slow down within a second. Its like being thrown into a washing machine sometimes. Your body just crumbles if youre not ready for the impact.Ifflands personality is as bubbly as the water she throws herself into and while her diving commitments have put her highly anticipated homecoming on hold she took the opportunity to submit two tongue-in-cheek requests before she returns.Id like a parade, Iffland joked.I would also like to some banana pancakes. ' ' '