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tiger's on the prowl.. the world's best aims to emulate his form as an 11-year-old. reputations on the line... calzaghe and hopkins set for their showdown... and beijing passes another test as the water cube wins approval. golf woods *no access usa. in the midst of a five-tournament winning streak, world number one tiger woods is currently in arizona preparing for the start of the wgc match play championship - scarily, it's a format that brings out the competitive side of one of world sport's most competitive athletes. soundbite: (english) "here its right from the very first tee and i think that's one of the things that all of us who grew up playing match play in amateur golf absolutely love about it because its that same feeling of the last round of the tournament on the first tee every match you play and you just have to bring it. you just have to step up to the plate and hit, hit shots. you can't afford to slip up." supercaption: tiger woods, world number one. once again, tiger is on the prowl for a perfect season - and for him that means victory in all four majors. soundbite: (english) "well i think you can. i mean, i've won, when you look at my career i've won, the majority of the years i've played i think i've won over five tournaments per year, just have to win the right four. that's the hard part. i've come, a few years ago i was four shots from being in a playoff or winning all four. i was, you know, pretty close so i think that if you have everything go your way, get lucky, peak at the right times, um, have the golf course set up well for you and go out there and have everything go your way, is it possible? well, i've won four in a row before so it is possible." supercaption: tiger woods. the 32-year-old star has ambitions of replicating his most memorable year. soundbite: (english) "i've had one perfect season, but its been a while." interviewer: which year? "when i was 11, i won 36 tournaments that year. interviewer: never lost? "no. i was ... i peaked at 11." supercaption: tiger woods. tiger's first opponent here on thursday is fellow american j.b. holmes. boxing new york undisputed world super-middleweight champion joe calzaghe was in new york city on tuesday to promote his upcoming bout with bernard "the executioner" hopkins. hopkins will be defending his ring magazine light heavyweight world championship but, at 43, comes into the fight in las vegas on april 19th as the underdog. both hopkins and welshman calzaghe, who will be entering the ring in the us for the first time, acknowledged that their legacies will be on the line. soundbite (english) "i'm the best that ever done this from here and here in my era. and i'm going to prove it. i'm going to prove that the sand hasn't ran out of the glass yet. and i will retire on my terms and in my way." supercaption: bernard hopkins soundbite (english) "after beating mikkel kessler, ten years undefeated, undisputed champion - i have to look at the next goal. and for me it's not looking for the easy goals, staying in wales and looking for the most difficult task for myself, because the more difficult the task, the better i perform. that's why i wanted to fight bernard hopkins. but not just fight him, but fight him in america. because that's what it's all about. you know, if you want to be known as a great, you've got to fight the biggest and the toughest fights." supercaption: joe calzaghe hopkins taunted his 35-year-old opponent on tuesday, saying he "better be willing to die". calzaghe, though, will have good backing, with an estimated 10,000 british fans set to be in vegas for the fight that's been dubbed the "battle of the planet". olympics diving the water cube at night. this building is one of the signature venues of the 2008 beijing olympics, and on tuesday the national aquatic center hosted its first high-profile diving event - the opening day of the 16th fina diving world cup. chinese divers wang feng and qin kai displayed the form that will make them a leading force when olympic competition comes to the water cube in august, the pair claiming gold in the three-metre synchronised springboard competition. beijing, and the water cube, is the aim for the world's best divers - and great britain's benjamin swain and nicolas robinson-baker will make the trip to the 2008 games after qualifying with their fourth place finish. the 16th fina diving world cup, an official beijing test event, runs from the 19th to the 25th of february - by all accounts, the water cube passed with flying colours.