In his second column for ESPN, Australian Olympian James Magnussen explains how swimmers manage the nerves in the minutes before they step onto the blocks, and looks ahead to his swim in Australias 4x100 relay tilt.Its hard to describe the emotions you roll through ahead of a swimming race; it can be a bit of an out-of-body experience.You spend so much time preparing for that one race that your body almost goes into autopilot and takes over. But I remember the atmosphere in London was almost deafening; I struggled to gather my thoughts because it was so loud and there was so much going on.But as you get older you learn how to relax in those situations and take in the crowd, and use it as a source of energy and feed off the adrenalin. Sometimes as a younger swimmer, you try to block it out, you try to ignore it; but its almost impossible.If you imagine a smallish football crowd, and then put a roof on the stadium, it becomes a situation where there is no way for the noise to escape, and it gets pretty loud. So youve really just got to try to gather your thoughts and use it as a source of energy.There has certainly been a lot of negative press about Rio the past few months, and that has seemingly hit new heights over the past 10 days or so. But I dont have an issue with some of the fears that have been raised, or the problems that members of the Australian team have incurred.The first team I made was for the Commonwealth Games in Delhi in 2010, and there was so much negative press around that event. But I went to India and had a great time; I didnt encounter any problems. And since then Ive had the attitude, Well, Ill just turn up and everything will be all right once you get there.These events are so big and so important that countries are willing to do whatever it takes to make it work. And after a few issues this week, I believe that things will be fine once the Games get underway.Obviously, this is a completely different Olympics for me compared with London four years ago. I dont have an individual swim, but Im really excited by the opportunity to contest the 4x100 relay.I want to be a really strong contributor not only to the relay team but also to the rest of the squad; I just want to do the best I can on the day. And as one of the older members on the team, I am keen to be a leader and put in a performance well above what I did at the Olympic trials now that Im a lot stronger and fitter.As far as expectations go, weve got a quality group of relay swimmers. 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LOUIS -- Lance Lynn was one of the more enthusiastic participants as the St. The British & Irish Lions are to name their head coach for next summers tour to New Zealand on Sept. 7.Wales Warren Gatland is expected to retain the position he held for the series triumph over Australia in 2013 when the chosen candidate is unveiled at a press conference in Edinburgh.Eddie Jones would have been the clear favourite had Englands head coach and his Rugby Football Union paymasters not stated categorically in the aftermath of the 3-0 whitewash of the Wallabies in June that he is unavailable.Jones has enjoyed a remarkable maiden year at the helm, masterminding a first Grand Slam for 13 years before presiding over the rout of Australia -- just months after virtually the same squad of players had slumped at the World Cup.RFU chief executive Ian Ritchie has made it clear to the Lions board that the 56-year-old Australian is not to be considered, while Jones himself has said he is completely unavailable in order to focus on building for Japan 2019.It clears a path for Gatland to presidde over the elite of British and Irish rugby for a second tour having led the 2013 party to a first series victory since South Africa in 1997.ddddddddddddWales fell to a 3-0 whitewash by New Zealand in June, but Gatland is an experienced and canny operator and keen to reprise a role he performed with distinction three years ago.Furthermore, the Welsh Rugby Union has granted the 52-year-old Kiwi permission to take the eight-month sabbatical from his national post demanded by the Lions.The only viable alternative to Gatland is Irelands Joe Schmidt, but his stock has fallen since plotting back-to-back Six Nations titles in 2014 and 2015 and there is no release clause in his contract.Wales lock Alun Wyn Jones and England hooker Dylan Hartley are the main contenders to captain the Lions through a brutal itinerary headlined by two Tests in Auckland and one in Wellington. 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